{"title":"Ear Post \u0026 Backs","description":"\u003cp\u003eEar posts and earring backs for building and repairing stud earrings. The range covers friction posts, threaded screwposts, friction and threaded ear nuts, matched post and back sets, and Guardian positive locking systems. Backs run from 4.5mm to 10.1mm outside diameter; posts run from 7.2mm to 12.7mm long. Available in 14K and 18K yellow, white and pink gold, platinum, sterling silver, gold filled, stainless steel, plastic and rubber. Many items ship in bulk packs.\u003c\/p\u003e","products":[{"product_id":"sterling-silver-threaded-earring-posts-034-437","title":"Sterling Silver Threaded Earring Posts .034\" x .437\" - Pack of 12","description":"\u003cp\u003e\u003cstrong\u003eSterling silver threaded earring posts\u003c\/strong\u003e — also called screwposts — offer a secure, screw-on closure system for fine earring designs. Each post measures \u003cstrong\u003e.034\" (0.83mm) in diameter\u003c\/strong\u003e and \u003cstrong\u003e.437\" (11.1mm) in length\u003c\/strong\u003e, providing a reliable fit for a wide range of earring styles. These posts are crafted from sterling silver and manufactured in the USA using \u003cstrong\u003e100% recycled silver\u003c\/strong\u003e by a leading precious metal findings maker holding both \u003cstrong\u003eISO 14001:2015 Environmental\u003c\/strong\u003e and \u003cstrong\u003eISO 9001:2015 Quality Management System\u003c\/strong\u003e certifications.\u003c\/p\u003e\u003cp\u003eMust be used with matching threaded ear nuts (screwnuts) with a \u003cstrong\u003e.034\" (0.83mm) hole diameter\u003c\/strong\u003e — see item \u003cstrong\u003e214-20\u003c\/strong\u003e for compatible screwnuts.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThreaded (screwpost) design for secure, adjustable closure\u003c\/li\u003e\n\u003cli\u003eCrafted from sterling silver using 100% recycled silver\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA by an ISO-certified precious metal findings supplier\u003c\/li\u003e\n\u003cli\u003eConsistent diameter and length across the pack for reliable production use\u003c\/li\u003e\n\u003cli\u003eSold in packs of 12 posts for bench and production convenience\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSterling Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e.034\" (0.83mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e.437\" (11.1mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e12 posts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilver Content\u003c\/th\u003e\n\u003ctd\u003e100% recycled silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eISO 14001:2015 Environmental; ISO 9001:2015 Quality Management System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThese posts \u003cstrong\u003emust be paired\u003c\/strong\u003e with threaded ear nuts (screwnuts) having a matching \u003cstrong\u003e.034\" (0.83mm) hole diameter\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCompatible screwnuts available separately — see item \u003cstrong\u003e214-20\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Default Title","offer_id":43536402055382,"sku":"244-08PO","price":7.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-threaded-earring-posts-034-x-437-pack-of-12-otto-frei-1.jpg?v=1719959150"},{"product_id":"yellow-gold-filled-friction-ear-posts-0-84mm-12-pack","title":"Pack of 12- Yellow Gold Filled Heavyweight 0.84mm Friction Ear Posts","description":"\u003cp\u003e\u003cstrong\u003eSold in packs of 12 (6 pairs).\u003c\/strong\u003e These yellow gold filled friction ear posts are American made and designed for professional jewelers seeking a durable, high-quality post for finished earring work. At 0.84mm (0.033\") thick and 9.4mm (0.370\") long, these heavyweight posts offer reliable strength and compatibility with a wide range of friction ear nuts.\u003c\/p\u003e\u003cp\u003eGold filled construction uses a karat gold overlay bonded to a brass inner core — a significantly thicker and longer-lasting finish than gold-plated alternatives. These posts are 1\/20th 14 karat gold, meaning 14K gold comprises 5% of the total weight. The gold layer is sourced from USA refiners who guarantee 100% recycled precious metals.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeavyweight friction-style ear post construction\u003c\/li\u003e\n\u003cli\u003eYellow gold filled (YGF) — 1\/20th 14K gold over brass inner core\u003c\/li\u003e\n\u003cli\u003eGold layer is significantly thicker and more durable than gold plating\u003c\/li\u003e\n\u003cli\u003eGold sourced from USA refiners guaranteeing 100% recycled precious metals\u003c\/li\u003e\n\u003cli\u003eCompatible with a variety of standard friction ear nuts (sold separately)\u003c\/li\u003e\n\u003cli\u003eSold in packs of 12 (6 pairs)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eYellow gold filled (YGF), 1\/20th 14 karat gold over brass inner core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e0.84mm (0.033\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e9.4mm (0.370\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Type\u003c\/th\u003e\n\u003ctd\u003eFriction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e12 posts (6 pairs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEar nuts are sold separately.\u003c\/li\u003e\n\u003cli\u003eGold filled is not the same as gold plated — the bonded gold layer is thicker and more durable for long-term wear.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43536404119766,"sku":"202-852PO","price":3.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/pack-of-12-yellow-gold-filled-heavyweight-0-84mm-friction-ear-posts-otto-frei-1.jpg?v=1719959150"},{"product_id":"guardian-original-locking-earring-post-nut-set","title":"Gold \u0026 Platinum Guardian Original Locking Earring Post \u0026 Nut Sets – 6.1mm","description":"\u003cp\u003eA locking earring post and nut set is what the bench reaches for when an earring has to stay on the ear, replacing a friction back with a clutch that holds until it is deliberately released.\u003c\/p\u003e\n\u003cp\u003eThe Original Guardian positive locking set from WR Cobb pairs a 2-notched post with a matching locking nut. Straight ridged trigger tabs snap the nut firmly into one of the two post notches and release only when both side tabs are pressed together. The post measures 0.89 mm (0.035\") in diameter and 10.0 mm (0.395\") long; the nut measures 7.4 mm (0.290\") across; and the set is sold by the piece in 14K yellow, 14K white, 18K yellow, and 18K white gold and in platinum. All of the metal is 100% recycled and the sets are manufactured in the USA under ISO 14001:2015 environmental and ISO 9001:2015 quality certification.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOriginal Guardian straight trigger design with ridged side tabs\u003c\/li\u003e\n\u003cli\u003ePositive locking mechanism engages one of two post notches\u003c\/li\u003e\n\u003cli\u003eIncludes one matching post and one locking nut per piece ordered\u003c\/li\u003e\n\u003cli\u003ePrecision fit for secure, professional earring assemblies\u003c\/li\u003e\n\u003cli\u003eMade from 100% recycled precious metals\u003c\/li\u003e\n\u003cli\u003eISO 14001:2015 environmental and ISO 9001:2015 quality certified manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200-302\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e201-302\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20B-302\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20C-302\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20E-302\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSold by the piece. Ordering 1 piece includes 1 post and 1 nut. Order 2 pieces for a pair.\u003c\/li\u003e\n\u003cli\u003eEnsure posts and ear nuts are separated before soldering.\u003c\/li\u003e\n\u003cli\u003eClean ear nuts with alcohol only; avoid polishing compounds, rouge, or other cleaning agents.\u003c\/li\u003e\n\u003cli\u003eExcessive heat, residue, or fine particles may affect locking performance.\u003c\/li\u003e\n\u003cli\u003eThe Original Guardian differs from the Guardian II by featuring straight ridged tabs rather than the Guardian II design.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807058542806,"sku":"20B-302","price":111.47,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807058575574,"sku":"20C-302","price":99.62,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807058608342,"sku":"20E-302","price":101.65,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551318065366,"sku":"200-302","price":64.51,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807058510038,"sku":"201-302","price":66.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky-14kw-18ky-18kw-and-platinum-6-1mm-guardian-positive-locking-post-and-backs-sets-otto-frei.jpg?v=1719959132"},{"product_id":"14ky-14kw-18ky-18kw-platinum-7-1mm-guardian-ii-positive-locking-post-back-sets","title":"Gold \u0026 Platinum 7.1mm Guardian II Positive Locking Post \u0026 Back Sets","description":"\u003cp\u003eA locking post and back set gives a finished earring a matched post and clutch that latch together at the ear.\u003c\/p\u003e\u003cp\u003eEach \u003cstrong\u003eGuardian II Positive Locking Post \u0026amp; Back Set\u003c\/strong\u003e pairs a Guardian II comfort trigger ear nut with a matching 2 notched ear post, sold together as one set. The comfort triggers snap firmly around a groove on the post, and release requires simultaneous compression of both tabs. Positive locking backs descend from the French ZOP system introduced in the late 20th century, and the Guardian II refines that legacy with larger, easier-to-use triggers. WR Cobb makes these sets in the USA from 100% recycled precious metal, in 14K yellow, 14K white, 18K yellow, 18K white gold and platinum, and holds ISO 14001:2015 Environmental and ISO 9001:2015 Quality Management System certification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold per piece.\u003c\/strong\u003e Each piece ordered is one complete set, one ear nut and one matching post, so a pair takes 2 pieces.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGuardian II comfort trigger design with two large, easy-to-use release tabs\u003c\/li\u003e\n\u003cli\u003ePositive locking mechanism releases only when both tabs are compressed at once\u003c\/li\u003e\n\u003cli\u003eTabs snap securely around a groove on the matching 2 notched ear post\u003c\/li\u003e\n\u003cli\u003eMatching post and nut sold as a set for guaranteed compatibility\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold or platinum\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 and ISO 9001:2015 certifications\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K yellow, 14K white, 18K yellow, 18K white gold and platinum\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200-304\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e201-304\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20B-304\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20C-304\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20E-304\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe ear nut and the post in each set are matched to one another, so no separate fitting is needed. Post diameter is 1.07 mm \/ 0.046 in and post length is 11.0 mm \/ 0.433 in.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCare and maintenance:\u003c\/strong\u003e Clean Guardian II ear nuts with alcohol only. Do not use polishing compounds, rouge or other cleaning agents. Avoid excessive heat and keep the mechanism free of small particles or residue, which can affect how the lock works.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"14K Yellow","offer_id":47551319539926,"sku":"200-304","price":104.51,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807058641110,"sku":"201-304","price":104.11,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807058706646,"sku":"20C-304","price":159.21,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807058739414,"sku":"20E-304","price":167.59,"currency_code":"USD","in_stock":true},{"title":"Platinum","offer_id":47807058673878,"sku":"20B-304","price":175.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-7-1mm-guardian-ii-positive-locking-post-and-back-sets-otto-frei.jpg?v=1719959132"},{"product_id":"guardian-positive-locking-nut-only","title":"Gold \u0026 Platinum 6.1mm Guardian Positive Locking Earring Backs","description":"\u003cp\u003eA positive locking earring back replaces a friction clutch when a finished earring needs to stay put on the ear until it is deliberately released.\u003c\/p\u003e\n\u003cp\u003eThese Original Guardian backs from WR Cobb, also known as Guardian Ear Nuts or Safety Earring Backs, use \u003cstrong\u003estraight, ridged trigger tabs\u003c\/strong\u003e that lock onto a matching post groove and release only when both side tabs are pressed at the same time. Each clutch measures 6.1 mm (0.240\") across and fits a 0.89 mm (0.035\") post. They are sold individually, so order two for a pair, in 14K yellow, 14K white, 18K yellow and 18K white gold and in platinum, all made in the USA from 100% recycled precious metal.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOriginal Guardian design with straight, ridged trigger tabs\u003c\/li\u003e\n\u003cli\u003ePositive-lock mechanism engages the post groove and releases only when both tabs are pressed\u003c\/li\u003e\n\u003cli\u003eMade in the USA using 100% recycled gold and platinum\u003c\/li\u003e\n\u003cli\u003eISO 14001:2015 and ISO 9001:2015 certified manufacturing\u003c\/li\u003e\n\u003cli\u003eSold individually; order two for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-302\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-302\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-302\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-302\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-302\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for use with Guardian straight posts (0.035\" x 0.395\"): \u003cstrong\u003e20B-302POMAIN\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFor thicker posts (1.06 mm \/ 0.042\"), use Guardian II backs (7.1 mm outside diameter): \u003cstrong\u003e210-304\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClean clutches with alcohol only; avoid polishing compounds, rouge, ultrasonic solutions, or other chemicals\u003c\/li\u003e\n\u003cli\u003eExcess heat, debris, or chemical residue can impair the internal locking mechanism\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended; confirm the post groove matches Guardian clutch specifications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807059001558,"sku":"21B-302","price":87.91,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807058968790,"sku":"21C-302","price":86.75,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807059034326,"sku":"21E-302","price":77.44,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551319802070,"sku":"210-302","price":56.43,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807059067094,"sku":"211-302","price":53.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-6-1mm-guardian-positive-locking-earring-backs-otto-frei.jpg?v=1719959128"},{"product_id":"14ky-14kw-18ky-18kw-platinum-7-1mm-guardian-ii-positive-locking-earring-backs","title":"Gold \u0026 Platinum 7.1mm Guardian II Positive Locking Earring Backs","description":"\u003cp\u003eA positive locking earring back clamps onto the ear post and holds a finished earring in place through everyday wear.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eGuardian II Positive Locking Earring Back\u003c\/strong\u003e is a large clutch with a 7.1 mm outside diameter and comfort triggers. Release takes simultaneous pressure on both tabs, so the earring stays firmly in place until the wearer chooses otherwise. \u003cstrong\u003eSold by the piece\u003c\/strong\u003e, so a pair takes 2 pieces.\u003c\/p\u003e\u003cp\u003eThe Guardian II differs from the original Guardian in its slightly larger triggers, which are bent over to present a smooth surface when unlocking from the post; the original Guardian used straight, ridged tabs. Also known as \u003cem\u003eGuardian II Ear Nuts\u003c\/em\u003e and \u003cem\u003eGuardian II Safety Earring Backs\u003c\/em\u003e, this positive locking design descends from the French ZOP system introduced in the late 20th century, and the Guardian II is now the dominant locking earring back system on the market. WR Cobb offers it in 14K yellow, 14K white, 18K yellow, 18K white gold, and platinum.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePositive locking mechanism requires both tabs to be pressed simultaneously for release\u003c\/li\u003e\n\u003cli\u003eComfort triggers are bent over for a smooth, ergonomic surface when unlocking\u003c\/li\u003e\n\u003cli\u003eLarge 7.1 mm outside diameter for a secure, visible hold\u003c\/li\u003e\n\u003cli\u003eTwo notches for positive post engagement\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K yellow, 14K white, 18K yellow, 18K white gold, and platinum\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-304\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-304\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-304\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-304\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-304\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFits a 1.07 mm \/ 0.046 in diameter ear post\u003c\/li\u003e\n\u003cli\u003eOtto Frei recommends pairing these clutches with the matching ear posts (part 20B-302POMAIN). Skilled jewelers may adapt other posts, but fit is not guaranteed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClean with alcohol only. Do not use polishing compounds, rouge, or other cleaning agents.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive heat and keep the clutch free of small particles or residue, which may affect the locking mechanism.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807058837718,"sku":"21B-304","price":148.77,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807058936022,"sku":"21C-304","price":140.3,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807058870486,"sku":"21E-304","price":139.48,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551320096982,"sku":"210-304","price":91.95,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807058903254,"sku":"211-304","price":86.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-7-1mm-guardian-ii-positive-locking-earring-backs-otto-frei.jpg?v=1719959128"},{"product_id":"14ky-14kw-18ky-18kw-platinum-035-x-395-guardian-positive-locking-posts-only","title":"Gold \u0026 Platinum Guardian Positive Locking Earring Posts, .035\" x .395\"","description":"\u003cp\u003eThese genuine Guardian positive locking earring posts are designed for professional jewelers who require a secure, reliable earring system. Measuring \u003cstrong\u003e.035\" (0.89mm) in diameter\u003c\/strong\u003e and \u003cstrong\u003e.395\" (10.0mm) in length\u003c\/strong\u003e, these posts feature \u003cstrong\u003etwo precision-cut notches\u003c\/strong\u003e that engage directly with the Guardian earring nut locking mechanism. The dual-notch design gives wearers a choice of secure positions along the post, adding comfort and flexibility without sacrificing retention. Available in 14K white, 14K yellow, 18K white, 18K yellow, and platinum. Sold by the piece.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo notches engineered to match the Guardian positive locking system precisely\u003c\/li\u003e\n\u003cli\u003eDual-notch design allows customers to choose their preferred nut position on the ear\u003c\/li\u003e\n\u003cli\u003eThinner \u003cstrong\u003e.035\" (0.89mm)\u003c\/strong\u003e diameter — compatible only with matching Guardian nuts\u003c\/li\u003e\n\u003cli\u003eMade in the USA using 100% recycled gold and platinum\u003c\/li\u003e\n\u003cli\u003eManufactured by a precious metal findings producer certified to \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e (Environmental) and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e (Quality Management System)\u003c\/li\u003e\n\u003cli\u003eAvailable in five metal types to match a wide range of fine jewelry applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e0.89mm \/ .035\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e10.0mm \/ .395\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotches\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003ctd\u003eGuardian Positive Locking Posts Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eBy the piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% recycled gold or platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200-302PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e201-302PO\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20B-302PO\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20C-302PO\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20E-302PO\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThese \u003cstrong\u003e.035\" diameter\u003c\/strong\u003e Guardian posts are compatible with the following Guardian earring nuts:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e21-GPL\u003c\/strong\u003e – Guardian II 6.1mm earring backs with Comfort Triggers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21B-302MAIN\u003c\/strong\u003e – Guardian 6.1mm earring backs with Straight Triggers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese posts are \u003cem\u003enot\u003c\/em\u003e compatible with Guardian II nuts model \u003cstrong\u003e21B-304MAIN\u003c\/strong\u003e, which require the larger .0346\" (1.06mm) diameter Guardian posts sold separately.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eIt is strongly recommended that positive locking nuts be paired with their \u003cstrong\u003ematching factory-made ear posts\u003c\/strong\u003e to ensure proper engagement of the locking notches and long-term security for the wearer.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807059198166,"sku":"20B-302PO","price":26.41,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807059165398,"sku":"20C-302PO","price":25.26,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807059263702,"sku":"20E-302PO","price":24.1,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551320555734,"sku":"200-302PO","price":14.85,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807059230934,"sku":"201-302PO","price":14.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-035-x-395-guardian-positive-locking-posts-only-otto-frei.jpg?v=1719959128"},{"product_id":"14ky-14kw-18ky-18kw-platinum-guardian-ii-positive-locking-posts-only","title":"Gold \u0026 Platinum Guardian II Positive Locking Earring Posts .046\" x .433\"","description":"\u003cp\u003eThese are \u003cstrong\u003e.046\" (1.07mm) diameter positive locking earring posts\u003c\/strong\u003e designed exclusively for use with the 21B-304MAIN Guardian II earring backs with Comfort Triggers. These thicker-diameter Guardian posts are engineered to work only with Guardian ear nuts in the 21B-304MAIN series. Each post features \u003cstrong\u003e2 special notches\u003c\/strong\u003e precisely matched to the Guardian II locking system, giving wearers a choice of two secure positions for the ear nut on the ear.\u003c\/p\u003e\u003cp\u003eUsing positive locking nuts with their matching factory-made ear posts is always recommended for maximum security and performance. See part number \u003cstrong\u003e21B-304MAIN\u003c\/strong\u003e for the matching Guardian II ear nuts.\u003c\/p\u003e\u003cp\u003eAlso available: \u003cstrong\u003e.035\" (0.89mm) diameter\u003c\/strong\u003e Guardian ear posts that fit the Guardian II 21-GPL nuts and the Guardian 21B-302MAIN nuts — a thinner option for different Guardian back systems.\u003c\/p\u003e\u003cp\u003eMade in the USA using 100% recycled gold and platinum by a leading precious metal findings manufacturer certified to \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e Environmental and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e Quality Management System standards. \u003cem\u003eSold by the piece.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePositive locking design with 2 notches for dual positioning on the ear\u003c\/li\u003e\n\u003cli\u003eCompatible exclusively with Guardian II 21B-304MAIN series ear nuts\u003c\/li\u003e\n\u003cli\u003eThicker .046\" (1.07mm) post diameter for secure, precise fit with Guardian backs\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K Yellow, 14K White, 18K Yellow, 18K White, and Platinum\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled precious metals\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 and ISO 9001:2015 certifications\u003c\/li\u003e\n\u003cli\u003eSold by the piece\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003ctd\u003eGuardian II Positive Locking Posts Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e1.07mm \/ 0.046\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e11.0mm \/ 0.433\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotches\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% recycled gold or platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20B-304PO\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200-304PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e201-304PO\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20C-304PO\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20E-304PO\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThese posts are designed for use with \u003cstrong\u003eGuardian II 21B-304MAIN\u003c\/strong\u003e series ear nuts only. They are not compatible with Guardian II 21-GPL nuts or Guardian 21B-302MAIN nuts — those backs require the thinner .035\" (0.89mm) diameter Guardian posts.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807059427542,"sku":"20B-304PO","price":38.93,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807059460310,"sku":"20C-304PO","price":30.21,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807059525846,"sku":"20E-304PO","price":37.72,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551320752342,"sku":"200-304PO","price":23.67,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807059493078,"sku":"201-304PO","price":23.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-046-x-433-guardian-ii-positive-locking-posts-only-otto-frei.jpg?v=1719959128"},{"product_id":"sterling-silver-extra-heavy-fusion-earring-posts","title":"Sterling Silver Extra Heavy Fusion Friction Earring Posts .036\" x .437\" - Pack of 12","description":"\u003cp\u003eSet these posts into earring fronts at the bench, either on a fusion welder or with traditional solder.\u003c\/p\u003e\u003cp\u003eWR Cobb sterling silver extra heavy fusion friction earring posts are built for professional jewelers who work both ways. Each post carries a small nib of silver at the top, which is what a fusion machine needs to make its weld. For conventional soldering, file the nib down to leave a smooth, flat surface. The posts measure \u003cstrong\u003e0.036 inch (0.91mm) thick by 0.437 inch (11.1mm) long\u003c\/strong\u003e and are sold by the pack of 12.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExtra heavy gauge construction for added durability and a secure, substantial feel\u003c\/li\u003e\n\u003cli\u003eFusion capable design with a built-in silver nib at the top of the post\u003c\/li\u003e\n\u003cli\u003eNib files down for use with standard soldering techniques\u003c\/li\u003e\n\u003cli\u003eCrafted in sterling silver\u003c\/li\u003e\n\u003cli\u003eSold by the dozen for convenient studio stocking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe built-in nib makes these posts compatible with fusion machines such as the Sparkie and the Tack II. Leave the nib intact when using a fusion welder.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eTo use these posts with standard soldering methods, file down the silver nib at the top of the post before applying solder.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Default Title","offer_id":43547339718870,"sku":"204-894PO","price":7.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-extra-heavy-fusion-friction-earring-posts-036-x-437-pack-of-12-otto-frei-2.jpg?v=1724088710"},{"product_id":"14k-gold-ball-earring-post-5mm-open-ring-lightweight","title":"14KY 5mm Ball Earring Post Only With Open Ring .026\" x .315\"","description":"\u003cp\u003eA polished \u003cstrong\u003e5mm ball earring post\u003c\/strong\u003e crafted in \u003cstrong\u003e14K yellow gold\u003c\/strong\u003e, featuring an attached open jump ring and a lightweight friction post. Ideal for jewelers building custom earring designs or replacing components, this finding offers a clean, classic silhouette with a fine-gauge post suited for sensitive ears. \u003cstrong\u003eSold individually — order 2 for a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5mm polished gold ball with attached open jump ring\u003c\/li\u003e\n\u003cli\u003eLightweight friction post at 0.66mm (0.026\") diameter\u003c\/li\u003e\n\u003cli\u003eOpen jump ring allows easy attachment of drops or charms\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eFriction ear nut sold separately — see recommended options below\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBall Diameter\u003c\/th\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e0.026\" (0.66mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e0.315\" (8.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpen Ring Wire Size\u003c\/th\u003e\n\u003ctd\u003e0.020\" (0.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpen Ring Outside Diameter\u003c\/th\u003e\n\u003ctd\u003e0.0985\" (2.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpen Ring Inside Diameter\u003c\/th\u003e\n\u003ctd\u003e0.059\" (1.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eIndividual piece (order 2 for a pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEar nut sold separately.\u003c\/strong\u003e Recommended ear nuts for use with this lightweight 0.026\" post: \u003cstrong\u003e210-400\u003c\/strong\u003e and \u003cstrong\u003e210-10\u003c\/strong\u003e.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Default Title","offer_id":43547466399958,"sku":"200-810PO","price":21.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky-5mm-ball-earring-post-only-with-open-ring-026-x-315-otto-frei.jpg?v=1719959117"},{"product_id":"sterling-silver-monster-flower-friction-earring-backs","title":"Sterling Silver Monster Flower 9.8mm Friction Earring Backs-Pack of 6","description":"\u003cp\u003eThese Sterling Silver Monster Flower Friction Earring Backs offer a secure, decorative earring back solution for professional jewelers and retailers. The oversized flower-shaped disc provides both a stable hold and an attractive finished look on the ear, making them well suited for resale or use in custom earring production. Sold in packs of six, they are an efficient stocking choice for bench jewelers and jewelry designers.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMonster Flower style — oversized floral disc provides a decorative, finished appearance on the ear\u003c\/li\u003e\n\u003cli\u003eFriction-fit mechanism holds securely on standard earring posts\u003c\/li\u003e\n\u003cli\u003eSterling silver construction\u003c\/li\u003e\n\u003cli\u003eSuitable for resale or use in earring production\u003c\/li\u003e\n\u003cli\u003eSold in packs of 6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSterling Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003ctd\u003eMonster Flower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside Diameter\u003c\/th\u003e\n\u003ctd\u003e9.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits Post Diameter\u003c\/th\u003e\n\u003ctd\u003e0.76–1.0mm \/ .030–.040\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 Sterling Silver Monster Flower Friction Earring Backs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Default Title","offer_id":43547516010710,"sku":"214-500","price":15.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-monster-flower-9-8mm-friction-earring-backs-pack-of-6-otto-frei-2.jpg?v=1724088471"},{"product_id":"14ky-14kw-18ky-030-threaded-earring-posts-6-25mm-threaded-earring-backs-sets","title":"Gold Threaded Earring Posts \u0026 6.25mm Threaded Earring Backs Sets | .030\"","description":"\u003cp\u003eThese threaded screwpost earring sets pair a precision-machined post with a matching screw ear nut, offering a secure and professional-grade finding for fine jewelry applications. Each set is sold by the piece — one post and one nut — and is available in 14K Yellow, 14K White, and 18K Yellow gold. Made in the USA from 100% recycled gold by a leading precious metal findings manufacturer.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThreaded screwpost design for a secure, screw-on closure\u003c\/li\u003e\n\u003cli\u003eEach set includes one post and one nut\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K Yellow, 14K White, and 18K Yellow gold\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eManufactured by a findings supplier certified to ISO 14001:2015 (Environmental) and ISO 9001:2015 (Quality Management System) standards\u003c\/li\u003e\n\u003cli\u003eSold by the piece; order 2 for a complete pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e0.76mm \/ .030\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e9.5mm \/ .375\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNut Style\u003c\/th\u003e\n\u003ctd\u003eScrew ear nut, two-hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNut Hole Size\u003c\/th\u003e\n\u003ctd\u003e0.76mm \/ .030\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNut Outside Diameter\u003c\/th\u003e\n\u003ctd\u003e6.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNut Part #\u003c\/th\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Part #\u003c\/th\u003e\n\u003ctd\u003e21C-18POMAIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% recycled gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece (1 post + 1 nut); order 2 for a pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24C-18\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e240-18\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e241-18\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne threaded screwpost (per piece ordered)\u003c\/li\u003e\n\u003cli\u003eOne two-hole screw ear nut (per piece ordered)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eAll findings are sold by the piece unless otherwise noted. To receive a complete pair of earring posts and backs, order a quantity of 2.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"18K Yellow","offer_id":47807079514326,"sku":"24C-18","price":65.7,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551331762390,"sku":"240-18","price":39.98,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807079481558,"sku":"241-18","price":39.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw-and-18ky-030-threaded-earring-posts-and-6-25mm-threaded-earring-backs-sets-otto-frei.jpg?v=1719959096"},{"product_id":"14ky-14kw-18ky-18kw-large-extra-heavy-7-3mm-friction-earring-backs","title":"Gold Large Extra-Heavy 7.3mm Friction Earring Backs","description":"\u003cp\u003eJewelers fit a friction ear nut onto a finished ear post to hold the earring securely on the ear.\u003c\/p\u003e\u003cp\u003eThese \u003cstrong\u003elarge extra-heavy 7.3 mm friction earring backs\u003c\/strong\u003e, also called friction ear nuts, measure 7.3 mm across the outside diameter at the widest part of the nut. WR Cobb makes them in the USA from 100% recycled gold in 14K yellow, 14K white, 18K yellow, and 18K white, and holds ISO 14001:2015 Environmental and ISO 9001:2015 Quality Management System certification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold by the piece.\u003c\/strong\u003e A pair takes 2 pieces.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarge extra-heavy style for a substantial, secure hold\u003c\/li\u003e\n\u003cli\u003e7.3 mm outside diameter measured at the widest point of the nut\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 Environmental and ISO 9001:2015 Quality Management System certifications\u003c\/li\u003e\n\u003cli\u003eSold individually, so a pair takes 2 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-15\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-15\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-15\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-15\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits ear post diameters from 0.76 mm to 0.97 mm, approximately 21–18 gauge wire.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"18K Yellow","offer_id":47807079743702,"sku":"21C-15","price":79.92,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807079710934,"sku":"21E-15","price":80.96,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551331926230,"sku":"210-15","price":44.91,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807079776470,"sku":"211-15","price":41.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky-and-18kw-large-extra-heavy-7-3mm-friction-earring-backs-otto-frei.jpg?v=1719959096"},{"product_id":"14ky-14kw-18ky-threaded-earring-posts-030-x-375","title":"Gold Threaded Earring Posts .030\" x .375\"","description":"\u003cp\u003eThese gold threaded earring posts — also called screwposts — are precision-made for secure, professional earring settings. Each post measures \u003cstrong\u003e0.76mm (0.030\") in diameter\u003c\/strong\u003e and \u003cstrong\u003e9.5mm (0.375\") in length\u003c\/strong\u003e, and must be paired with a matching 0.76mm threaded ear nut (screwnut). Available individually in 14K Yellow, 14K White, and 18K Yellow gold. \u003cem\u003eSold by the piece — order 2 for a pair.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eMade in the USA using 100% recycled gold by a leading precious metal findings manufacturer certified to \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e (Environmental Management) and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e (Quality Management System) standards.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThreaded design (screwpost) for secure, locking earring wear\u003c\/li\u003e\n\u003cli\u003eCompatible with 0.76mm (0.030\") diameter threaded ear nuts (screwnuts)\u003c\/li\u003e\n\u003cli\u003eAvailable in matching set including threaded ear nut — see part number 24C-18MAIN\u003c\/li\u003e\n\u003cli\u003eReplacement threaded ear nuts also available separately — see part number 21C-18MAIN\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 and ISO 9001:2015 certifications\u003c\/li\u003e\n\u003cli\u003eSold individually — order 2 for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e0.76mm \/ 0.030\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e9.5mm \/ 0.375\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003ctd\u003eGold (14K Yellow, 14K White, 18K Yellow)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eBy the piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecycled Content\u003c\/th\u003e\n\u003ctd\u003e100% recycled gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eISO 14001:2015, ISO 9001:2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24C-18PO\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e240-18PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e241-18PO\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMust be used with a 0.76mm (0.030\") threaded ear nut — see part number 21C-18MAIN for nuts sold separately or 24C-18MAIN for a set including the matching nut.\u003c\/li\u003e\n\u003cli\u003eOrder 2 pieces for a pair. All findings are sold by the piece unless otherwise noted.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"18K Yellow","offer_id":47807079579862,"sku":"24C-18PO","price":16.61,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551332155606,"sku":"240-18PO","price":9.6,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807079612630,"sku":"241-18PO","price":9.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw-and-18ky-threaded-earring-posts-030-x-375-otto-frei.jpg?v=1719959096"},{"product_id":"standard-friction-ear-nuts","title":"Gold, Pink Gold \u0026 Platinum Standard 5.8mm Friction Earring Backs","description":"\u003cp\u003eA friction ear nut pushes onto an earring post and holds the earring on the ear with spring tension, and this is the standard 5.8mm size measured at the widest point. WR Cobb makes it in six precious metals: 14K yellow, 14K white and 14K pink gold, 18K yellow and 18K white gold, and platinum, so the back can be matched to the metal of the finding it goes with. The grip is firm enough to be considered heavyweight by current standards, which suits heavier earrings, and the backs are made in the USA. They are sold by the piece, so order two for a pair.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5.8mm diameter friction backs, measured at the widest point\u003c\/li\u003e\n\u003cli\u003eSecure spring tension grip, considered heavyweight by current standards\u003c\/li\u003e\n\u003cli\u003eSix precious metal options to match any earring construction\u003c\/li\u003e\n\u003cli\u003eSold by the piece for flexible quantity ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-400\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-400\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-400\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-400\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-400\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21P-400\u003c\/td\u003e\n\u003ctd\u003e14K Pink Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eSold by the piece. Add a quantity of 2 to the cart when ordering a pair.\u003c\/li\u003e\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807082397910,"sku":"21B-400","price":26.55,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807082266838,"sku":"21C-400","price":27.42,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807082299606,"sku":"21E-400","price":26.53,"currency_code":"USD","in_stock":true},{"title":"14K Pink","offer_id":47807082332374,"sku":"21P-400","price":18.27,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551332614358,"sku":"210-400","price":18.21,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807082365142,"sku":"211-400","price":18.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw14kp18ky18kw-and-platinum-standard-5-8mm-friction-earring-backs-otto-frei.jpg?v=1719959096"},{"product_id":"14ky-14kw-18ky-18kw-platinum-030-friction-earring-posts-standard-5-8mm-backs-sets","title":"Gold \u0026 Platinum .030\" Friction Earring Posts \u0026 Standard 5.8mm Backs Sets","description":"\u003cp\u003eThe most popular friction earring post and nut set available at Otto Frei. Each set pairs a standard \u003cstrong\u003e.030\" (0.76mm) post\u003c\/strong\u003e measuring 9.5mm (0.375\") in length with a standard ear nut featuring a 5.8mm outside diameter. Available in four precious metal options — 14K Yellow, 14K White, 18K Yellow, and Platinum — these findings are ideal for professional jewelers seeking reliable, high-quality components for earring production and repair.\u003c\/p\u003e\n\u003cp\u003eMade in the USA from 100% recycled gold and platinum by a leading precious metal findings manufacturer holding both \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e Environmental and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e Quality Management System certifications.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard friction post and ear nut sold as a matched set\u003c\/li\u003e\n\u003cli\u003ePost thickness: 0.76mm (.030\"); post length: 9.5mm (0.375\")\u003c\/li\u003e\n\u003cli\u003eEar nut outside diameter: 5.8mm\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K Yellow, 14K White, 18K Yellow, and Platinum\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled precious metals\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 and ISO 9001:2015 certifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Thickness\u003c\/th\u003e\n\u003ctd\u003e0.76mm (.030\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e9.5mm (0.375\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEar Nut Outside Diameter\u003c\/th\u003e\n\u003ctd\u003e5.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Reference\u003c\/th\u003e\n\u003ctd\u003e20B-852POMAIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNut Reference\u003c\/th\u003e\n\u003ctd\u003e21B-400MAIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% recycled gold or platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20B-852\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200-852\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e201-852\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20C-852\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne (1) friction earring post\u003c\/li\u003e\n\u003cli\u003eOne (1) standard ear nut (5.8mm outside diameter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSets are sold by the piece. To outfit a pair of earrings, order a quantity of 2 — you will receive 2 posts and 2 nuts.\u003c\/em\u003e\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807079940310,"sku":"20B-852","price":48.14,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807079973078,"sku":"20C-852","price":41.43,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551332647126,"sku":"200-852","price":26.85,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807079907542,"sku":"201-852","price":27.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky-and-platinum-030-friction-earring-posts-and-standard-5-8mm-backs-sets-otto-frei.jpg?v=1719959096"},{"product_id":"ss-ygf-pearl-stone-post-with-extra-heavy-ear-nut-pack-of-2","title":"Sterling Silver \u0026 Yellow Gold Filled Pearl \u0026 Stone Post With Extra Heavy Ear Nut - Pack of 2","description":"\u003cp\u003eThese sterling silver and yellow gold filled pearl and stone posts are top-quality findings made in the USA, featuring thicker-than-average posts and extra heavy ear nuts for a secure, professional fit. Each pack contains 2 posts and 2 friction ear nuts — one complete pair. Sterling silver posts feature a 5.7mm cup pad, while yellow gold filled posts feature a 4.0mm cup pad. The extra heavy ear nut measures 6.6mm outside diameter, providing added holding strength over standard friction backs.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eThicker-than-average post diameter for added durability\u003c\/li\u003e\n\u003cli\u003eExtra heavy friction ear nut included with each post\u003c\/li\u003e\n\u003cli\u003eNo peg — smooth cup design for pearl and stone setting\u003c\/li\u003e\n\u003cli\u003eAvailable in sterling silver and yellow gold filled\u003c\/li\u003e\n\u003cli\u003eSold as one complete pair (2 posts + 2 ear nuts) per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e0.86mm\/.034\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEar Nut Outside Diameter\u003c\/th\u003e\n\u003ctd\u003e6.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEar Nut Type\u003c\/th\u003e\n\u003ctd\u003eExtra heavy friction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeg\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e2 posts and 2 ear nuts (1 pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003cth\u003eCup Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e202-807\u003c\/td\u003e\n\u003ctd\u003eYellow Gold Filled\u003c\/td\u003e\n\u003ctd\u003e4.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e204-808\u003c\/td\u003e\n\u003ctd\u003eSterling Silver\u003c\/td\u003e\n\u003ctd\u003e5.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 pearl and stone posts\u003c\/li\u003e\n\u003cli\u003e2 extra heavy friction ear nuts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Yellow Gold Filled \/ 4.0mm","offer_id":47551332876502,"sku":"202-807","price":9.68,"currency_code":"USD","in_stock":true},{"title":"Sterling Silver \/ 5.7mm","offer_id":47807083741398,"sku":"204-808","price":8.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-and-yellow-gold-filled-pearl-and-stone-post-with-extra-heavy-ear-nut-pack-of-2-otto-frei-1.jpg?v=1719959091"},{"product_id":"sterling-silver-pearl-stone-post-extra-heavy-nut-pack-of-2","title":"Sterling Silver Pearl \u0026 Stone Post \u0026 Extra Heavy Nut - Pack of 2","description":"\u003cp\u003eThese sterling silver pearl and stone posts are designed for professional jewelers and metalsmiths seeking quality findings for earring production and repair. Sold in a pack of 2, each package includes 2 posts and 2 friction ear nuts — one complete pair. Built with thicker-than-average posts and paired with extra heavy ear nuts, these findings deliver a secure, professional-grade fit. Made in the USA, they are available in three pad widths to suit a range of pearl and stone sizes.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSterling silver construction throughout\u003c\/li\u003e\n\u003cli\u003eThicker-than-average post diameter for added strength and stability\u003c\/li\u003e\n\u003cli\u003eIncludes extra heavy friction ear nuts for a secure hold\u003c\/li\u003e\n\u003cli\u003eCup pad features a peg for reliable stone or pearl seating\u003c\/li\u003e\n\u003cli\u003eAvailable in three cup sizes to accommodate different pearl and stone diameters\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eSold as a pack of 2 posts and 2 nuts (one complete pair)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSterling Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e0.86mm \/ .034\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEar Nut Outside Diameter\u003c\/th\u003e\n\u003ctd\u003e6.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEar Nut Type\u003c\/th\u003e\n\u003ctd\u003eExtra Heavy Friction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeg\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e2 posts and 2 nuts (1 pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eCup Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e204-832\u003c\/td\u003e\n\u003ctd\u003e2.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e204-836\u003c\/td\u003e\n\u003ctd\u003e4.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e204-840\u003c\/td\u003e\n\u003ctd\u003e5.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 sterling silver pearl and stone posts\u003c\/li\u003e\n\u003cli\u003e2 extra heavy friction ear nuts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"2.5mm","offer_id":47551684313302,"sku":"204-832","price":5.13,"currency_code":"USD","in_stock":true},{"title":"4.0mm","offer_id":47807085183190,"sku":"204-836","price":6.53,"currency_code":"USD","in_stock":true},{"title":"5.7mm","offer_id":47807085215958,"sku":"204-840","price":6.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-pearl-and-stone-post-and-extra-heavy-nut-pack-of-2-otto-frei-1.jpg?v=1719959081"},{"product_id":"sterling-silver-friction-ear-posts-pack-of-12","title":"Sterling Silver Friction Ear Posts .030\" \u0026 .036\"- Packs of 12","description":"\u003cp\u003eAssemble and repair stud earrings with a straight friction post that presses into a standard ear nut and holds the setting steady, both at the bench and on the ear.\u003c\/p\u003e\n\u003cp\u003eThese sterling silver posts are offered in two heavy diameters, 0.030\" (0.76 mm) and 0.036\" (0.90 mm), in a single 0.437\" (11.1 mm) length so earring fit and appearance stay consistent across sizes. They are made in the USA by WR Cobb and sold by the pack of 12.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy and extra heavy post diameters for strong, secure support of stud earrings\u003c\/li\u003e\n\u003cli\u003eStraight friction post design compatible with standard friction ear nuts and backs\u003c\/li\u003e\n\u003cli\u003eSingle standard length helps keep earring fit and appearance consistent across sizes\u003c\/li\u003e\n\u003cli\u003eCleanly finished ends for easier assembly and comfortable wear\u003c\/li\u003e\n\u003cli\u003eSupplied in bench-friendly bulk packs suitable for small production runs or stocking the repair bench\u003c\/li\u003e\n\u003cli\u003eWorks well with a variety of friction ear nuts sized for the stated diameter range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e204-801PO\u003c\/td\u003e\n\u003ctd\u003eExtra Heavy\u003c\/td\u003e\n\u003ctd\u003e0.036\" (0.90 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e204-852PO\u003c\/td\u003e\n\u003ctd\u003eHeavy\u003c\/td\u003e\n\u003ctd\u003e0.030\" (0.76 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned for use with friction ear nuts and backs sized for posts in the 0.030\"–0.036\" (0.76–0.90 mm) diameter range.\u003c\/p\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eSold in packs of 12 and intended for assembly and repair work at the bench. All findings are sold by the pack unless otherwise noted on the product page.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Extra Heavy","offer_id":47551686115542,"sku":"204-801PO","price":6.91,"currency_code":"USD","in_stock":true},{"title":"Heavy","offer_id":47807059624150,"sku":"204-852PO","price":4.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-friction-ear-posts-030-and-036-packs-of-12-otto-frei-1.jpg?v=1719959031"},{"product_id":"14ky-14kw-18ky-platinum-threaded-earring-posts-041-x-437","title":"Gold \u0026 Platinum Threaded Earring Posts .041\" x .437\"","description":"\u003cp\u003eThese threaded earring posts — also called screwposts — are sold individually. To order a pair, add 2 pieces to your cart. Available in four precious metal options, these posts are made in the USA using 100% recycled gold by a leading precious metal findings manufacturer that has earned both \u003cstrong\u003eISO 14001:2015 Environmental\u003c\/strong\u003e and \u003cstrong\u003eISO 9001:2015 Quality Management System\u003c\/strong\u003e certifications.\u003c\/p\u003e\u003cp\u003eEach post measures \u003cstrong\u003e.041\" (1.04 mm) in diameter\u003c\/strong\u003e and \u003cstrong\u003e.437\" (11.1 mm) in length\u003c\/strong\u003e. These posts must be paired with matching \u003cstrong\u003e.041\" (1.04 mm) diameter threaded ear nuts\u003c\/strong\u003e (screwnuts), sold separately or available in sets that include the matching threaded ear nut.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThreaded screwpost design for secure, reliable wear\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled precious metal\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 Environmental certification\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 9001:2015 Quality Management System certification\u003c\/li\u003e\n\u003cli\u003eAvailable in four metal types: 14K Yellow, 14K White, 18K Yellow, and Platinum\u003c\/li\u003e\n\u003cli\u003eSold by the piece — order 2 for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e.041\" (1.04 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e.437\" (11.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Ear Nut Thread Size\u003c\/th\u003e\n\u003ctd\u003e.041\" (1.04 mm) threaded ear nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% recycled precious metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24B-05PO\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e240-05PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e241-05PO\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24C-05PO\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMust be used with .041\" (1.04 mm) diameter threaded ear nuts (screwnuts) — not included unless ordering a set.\u003c\/li\u003e\n\u003cli\u003eAll findings are sold by the piece unless otherwise noted. Order 2 for a matched pair.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Platinum","offer_id":47807096914134,"sku":"24B-05PO","price":18.44,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807096946902,"sku":"24C-05PO","price":24.4,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47807096979670,"sku":"240-05PO","price":20.32,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47551350669526,"sku":"241-05PO","price":24.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky-and-platinum-threaded-earring-posts-041-x-437-otto-frei-1.jpg?v=1719958863"},{"product_id":"14kp-rose-gold-monster-plain-10mm-friction-earring-backs","title":"14KP Rose Gold Monster Plain 10mm Friction Earring Backs","description":"\u003cp\u003e\u003cstrong\u003e14KP Rose Gold Monster Plain 10mm Friction Earring Backs\u003c\/strong\u003e are oversized ear nuts designed for maximum security and ease of use. Sold individually — order 2 for a pair.\u003c\/p\u003e\u003cp\u003eThese \u003cstrong\u003e10mm diameter monster-size earring nuts\u003c\/strong\u003e are crafted to a high standard using substantial material, providing far greater stability than standard lightweight ear nuts. Their generous size helps hold larger, heavier earrings firmly in place on friction posts while also making them easier to handle and far less likely to be misplaced. The center hole measures \u003cstrong\u003e1.0mm (0.040\")\u003c\/strong\u003e, designed to work best with 1.0mm diameter friction posts. Made in the USA.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMonster 10mm diameter for superior holding power and stability\u003c\/li\u003e\n\u003cli\u003eSubstantial construction — more material than standard lightweight ear nuts\u003c\/li\u003e\n\u003cli\u003eIdeal for securing larger, heavier earrings on friction posts\u003c\/li\u003e\n\u003cli\u003e1.0mm (0.040\") center hole fits standard 1.0mm friction posts\u003c\/li\u003e\n\u003cli\u003eLarger size is easier for customers to grip and handle\u003c\/li\u003e\n\u003cli\u003eReduces risk of losing backing due to generous size\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter Hole\u003c\/th\u003e\n\u003ctd\u003e1.0mm (0.040\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Compatibility\u003c\/th\u003e\n\u003ctd\u003e1.0mm diameter friction posts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece (order 2 for a pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21P-525\u003c\/td\u003e\n\u003ctd\u003e14K Pink Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"14K Pink","offer_id":47551350800598,"sku":"21P-525","price":56.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14kp-rose-gold-monster-plain-10mm-friction-earring-backs-otto-frei-1.jpg?v=1719958860"},{"product_id":"sterling-silver-threaded-earring-backs-034-4-5mm-pack-6","title":"Sterling Silver .034\" Threaded Earring Backs- Pack of 6","description":"\u003cp\u003eThese sterling silver threaded earring backs provide a secure, professional closure for earring posts with a .034\" (0.86mm) diameter. Designed for use with threaded posts, they offer reliable hold and a clean finish suitable for fine jewelry applications. Sold in convenient packs of 6, making them practical for bench stock or resale.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThreaded design for a secure, adjustable fit\u003c\/li\u003e\n\u003cli\u003eCompatible with .034\" (0.86mm) diameter threaded earring posts\u003c\/li\u003e\n\u003cli\u003eClean, professional finish appropriate for fine sterling silver jewelry\u003c\/li\u003e\n\u003cli\u003eSold in packs of 6 — ideal for bench stock or resale\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSterling Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside Diameter\u003c\/th\u003e\n\u003ctd\u003e4.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter Compatibility\u003c\/th\u003e\n\u003ctd\u003e.034\" \/ 0.86mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThese backs are designed to fit .034\" \/ 0.86mm diameter threaded posts. For matching threaded earring posts, refer to part number 244-08PO.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Default Title","offer_id":43582082121942,"sku":"214-20","price":16.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-034-threaded-earring-backs-pack-of-6-otto-frei-1.jpg?v=1719957279"},{"product_id":"sterling-silver-screwpost-042-x-437-pack-12","title":"Sterling Silver Screwpost .042\" x .437\"- Pack of 12","description":"\u003cp\u003eThese sterling silver threaded earring posts — also known as \u003cstrong\u003escrewposts\u003c\/strong\u003e — are precision-made for secure, professional earring findings work. Each post features a threaded shaft designed to pair with matching threaded ear nuts (screwnuts) for a reliable, locking closure. Manufactured in the USA from 100% recycled silver by a leading precious metal findings supplier certified to both \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e (Environmental Management) and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e (Quality Management System) standards.\u003c\/p\u003e\u003cp\u003eMust be used with matching \u003cstrong\u003e.042\" (1.04 mm) hole diameter threaded ear nuts\u003c\/strong\u003e (screwnuts) — see item 214-60.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThreaded screwpost design for secure, locking earring closure\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled sterling silver\u003c\/li\u003e\n\u003cli\u003eManufactured by an ISO 14001:2015 and ISO 9001:2015 certified findings producer\u003c\/li\u003e\n\u003cli\u003eRequires matching .042\" threaded screwnuts (see 214-60)\u003c\/li\u003e\n\u003cli\u003eSold in packs of 12 posts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSterling Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e1.04 mm \/ .042\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e11.1 mm \/ .437\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e12 posts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilver Source\u003c\/th\u003e\n\u003ctd\u003e100% recycled silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eISO 14001:2015, ISO 9001:2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e12 sterling silver threaded screwposts\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eScrewnuts are \u003cem\u003enot\u003c\/em\u003e included — must be purchased separately. Compatible screwnuts require a .042\" (1.04 mm) hole diameter (see item 214-60).\u003c\/li\u003e\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Default Title","offer_id":43582084481238,"sku":"244-10PO","price":8.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-screwpost-042-x-437-pack-of-12-otto-frei-1.jpg?v=1719957279"},{"product_id":"surgical-stainless-steel-monster-friction-earring-backs-9mm-pack-144","title":"Surgical Stainless Steel Monster Friction Earring Backs-Packs of 144","description":"\u003cp\u003eKeep earrings secure with these oversized friction earring backs made from surgical stainless steel. Commonly known as \"monster\" backs, these larger-profile ear nuts provide a stronger, more reliable hold than standard friction backs—making them a popular choice for customers who want added security for heavier or more valuable earrings. Their hypoallergenic construction makes them safe for wearers with metal sensitivities, and their generous size makes them easier to handle. Sold in packs of 144, these backs are ideal for jewelers offering earring repair services or stocking resale inventory.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOversized \"monster\" friction back design for enhanced earring security\u003c\/li\u003e\n\u003cli\u003eSurgical stainless steel construction—hypoallergenic and safe for metal-sensitive wearers\u003c\/li\u003e\n\u003cli\u003e9mm earring nut diameter for a substantial, easy-to-grip profile\u003c\/li\u003e\n\u003cli\u003eFits post diameters up to 0.9mm\u003c\/li\u003e\n\u003cli\u003eSold in convenient packs of 144 for professional shop use or resale\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSurgical stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEarring Nut Diameter\u003c\/th\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Post Diameter\u003c\/th\u003e\n\u003ctd\u003e0.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e144 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHypoallergenic\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43582297800918,"sku":"215-500","price":13.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/surgical-stainless-steel-monster-friction-earring-backs-packs-of-144-otto-frei-1.jpg?v=1719957113"},{"product_id":"yellow-gold-filled-monster-flower-friction-earring-backs-9-8mm-pack-6","title":"Yellow Gold Filled Monster Flower 9.8mm Friction Earring Backs-Pack of 6","description":"\u003cp\u003eA friction earring back holds a post earring on the ear and bears the wear that a thin post cannot, so a back with a wide bearing surface is the one to reach for on heavier drops and on repairs headed back to a customer. These WR Cobb Monster Flower backs are yellow gold filled, with an oversized 9.8 mm flower-shaped pad that spreads the load across the back of the ear and finishes the piece neatly.\u003c\/p\u003e\n\u003cp\u003eThe friction fit accepts posts from 0.76–1.0 mm (0.030–0.040 in), which covers the standard post diameters found on most commercial earrings. They are sold by the pack of six, a practical quantity for bench stock or for resale.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMonster Flower style with a large decorative pad for added support and visual appeal\u003c\/li\u003e\n\u003cli\u003eYellow gold filled construction for a quality, lasting finish\u003c\/li\u003e\n\u003cli\u003eFriction fit design for reliable everyday wear\u003c\/li\u003e\n\u003cli\u003eFits posts from 0.76–1.0 mm (0.030–0.040 in), covering standard ear posts\u003c\/li\u003e\n\u003cli\u003e9.8 mm outside diameter across the pad\u003c\/li\u003e\n\u003cli\u003eSold in packs of 6, sized for bench stock or resale\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Default Title","offer_id":43582373920982,"sku":"212-500","price":28.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/yellow-gold-filled-monster-flower-9-8mm-friction-earring-backs-pack-of-6-otto-frei-1.jpg?v=1726694858"},{"product_id":"14k-pink-gold-friction-earring-post-heavy-5-8mm-back-set-040","title":"14K Pink .040\" Friction Earring Post and Heavy 5.8mm Back Set","description":"\u003cp\u003eThese top-quality 14K Pink Gold friction earring posts and backs are sold together as a matched set, offering a reliable and professional-grade solution for earring fabrication and repair. Also referred to as 14K Rose Gold, these posts and backs are made in the USA and deliver consistent quality for jewelers who demand precision components.\u003c\/p\u003e\n\n\u003cp\u003eEach set includes one post and one friction nut (back). When ordering quantity 1, you receive 1 post and 1 nut. To outfit a pair of earrings, order quantity 2 to receive 2 posts and 2 nuts.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e14K Pink Gold (Rose Gold) construction throughout\u003c\/li\u003e\n\u003cli\u003eFriction-style back for secure earring retention\u003c\/li\u003e\n\u003cli\u003eHeavy 5.8mm back for a substantial, professional fit\u003c\/li\u003e\n\u003cli\u003eSold as a set — one post and one friction nut per unit ordered\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003ctd\u003e14K Pink Gold (Rose Gold)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter\u003c\/th\u003e\n\u003ctd\u003e1.0mm (0.040\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e10.8mm (0.427\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBack Diameter\u003c\/th\u003e\n\u003ctd\u003e5.8mm (Heavy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBack Style\u003c\/th\u003e\n\u003ctd\u003eFriction nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eSet (1 post + 1 friction back per quantity ordered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 14K Pink Gold friction earring post (per quantity ordered)\u003c\/li\u003e\n\u003cli\u003e1 × 14K Pink Gold heavy 5.8mm friction back\/nut (per quantity ordered)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43582990319830,"sku":"20P-825","price":49.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14k-pink-040-friction-earring-post-and-heavy-5-8mm-back-set-otto-frei-1.jpg?v=1719956781"},{"product_id":"sterling-silver-monster-starburst-9mm-friction-earring-backs-6-pack","title":"Sterling Silver Monster Starburst 9mm Friction Earring Backs-Pack of 6","description":"\u003cp\u003eFinish a post earring with a back that stays put and reads as part of the design. These monster starburst friction ear nuts measure 9.0 mm outside diameter, giving a wide, stable bearing surface behind the ear, while the starburst face adds visual interest to a functional part.\u003c\/p\u003e\n\u003cp\u003eThey are made of \u003cstrong\u003esterling silver\u003c\/strong\u003e by \u003cstrong\u003eWR Cobb\u003c\/strong\u003e, hold by friction alone on post diameters of 0.76 mm–1.0 mm (0.030\"–0.040\"), and are sold in a pack of 6 for everyday jewelry, bench work, and resale.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecorative Monster Starburst design adds visual interest alongside functional security\u003c\/li\u003e\n\u003cli\u003eFriction fit holds firmly on post diameters from \u003cstrong\u003e0.76 mm–1.0 mm\u003c\/strong\u003e (0.030\"–0.040\")\u003c\/li\u003e\n\u003cli\u003eGenerous \u003cstrong\u003e9.0 mm outside diameter\u003c\/strong\u003e provides a stable, comfortable backing\u003c\/li\u003e\n\u003cli\u003eSterling silver construction for quality and lasting wear\u003c\/li\u003e\n\u003cli\u003eSold in a \u003cstrong\u003epack of 6\u003c\/strong\u003e, suited to shop stock or resale\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eFits earring posts measuring 0.76 mm–1.0 mm (0.030\"–0.040\") in diameter.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Default Title","offer_id":43583079973078,"sku":"214-520SS","price":17.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-monster-starburst-9mm-friction-earring-backs-pack-of-6-otto-frei.jpg?v=1719956753"},{"product_id":"ear-post-with-head-stainless-steel","title":"Stainless Steel Friction Earring Post with 4mm or 6mm Pad-Packs 144","description":"\u003cp\u003eThese stainless steel friction earring posts are a reliable choice for professional jewelers and earring makers who need consistent quality at volume. Each post features a flat pad head for secure adhesive or bezel attachment, a uniform shaft diameter, and a standard 9mm length suited to a wide range of earring designs. Available in two head sizes — 4.0mm and 6.0mm — to accommodate different earring styles and stone sizes. Sold in convenient packs of 144.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlat pad head available in 4.0mm or 6.0mm diameter\u003c\/li\u003e\n\u003cli\u003eUniform 0.66mm shaft diameter for consistent friction back fit\u003c\/li\u003e\n\u003cli\u003e9mm post length suitable for standard earring applications\u003c\/li\u003e\n\u003cli\u003eStainless steel construction for durability\u003c\/li\u003e\n\u003cli\u003eSold in packs of 144 for studio and production use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003ctd\u003e9mm \/ 0.35\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Diameter\u003c\/th\u003e\n\u003ctd\u003e0.66mm \/ 0.026\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003e144 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eHead Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e205-51PO\u003c\/td\u003e\n\u003ctd\u003e4.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e205-56PO\u003c\/td\u003e\n\u003ctd\u003e6.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e144 stainless steel friction earring posts per package\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Stainless Steel \/ 4.0mm head","offer_id":43586988802262,"sku":"205-51PO","price":6.84,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel \/ 6.0mm head","offer_id":43586988835030,"sku":"205-56PO","price":7.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stainless-steel-friction-earring-post-with-4mm-or-6mm-pad-packs-144-otto-frei-1.jpg?v=1719955745"},{"product_id":"ear-post-fusion-stainless-steel","title":"Stainless Steel Fusion Friction Earring Posts-Packs of 144","description":"\u003cp\u003eStainless Steel Fusion Friction Earring Posts are a dependable choice for jewelers and studio metalsmiths who need consistent, professional-quality findings in volume. Engineered for friction-fit earring backs, these posts feature a smooth, uniform shank suited for secure wear. Available in three lengths to accommodate varying earring designs and setting depths, each pack contains 144 posts for efficient bench work and resale applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel construction for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eFusion friction fit design for use with standard friction earring backs\u003c\/li\u003e\n\u003cli\u003eAvailable in three post lengths to suit a range of earring styles\u003c\/li\u003e\n\u003cli\u003eConsistent shank diameter for reliable friction-back retention\u003c\/li\u003e\n\u003cli\u003ePackaged in quantities of 144—ideal for production work and resale\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e144 posts per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFit Type\u003c\/th\u003e\n\u003ctd\u003eFusion Friction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003ePost Length\u003c\/th\u003e\n\u003cth\u003eShank Diameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e205-890PO\u003c\/td\u003e\n\u003ctd\u003e3\/8\" (9.5 mm)\u003c\/td\u003e\n\u003ctd\u003e0.029\" (0.74 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e205-891PO\u003c\/td\u003e\n\u003ctd\u003e7\/16\" (11.11 mm)\u003c\/td\u003e\n\u003ctd\u003e0.028\" (0.71 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e205-893PO\u003c\/td\u003e\n\u003ctd\u003e1\/2\" (12.7 mm)\u003c\/td\u003e\n\u003ctd\u003e0.029\" (0.74 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e144 stainless steel fusion friction earring posts per pack\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"3\/8\"","offer_id":47551714066646,"sku":"205-890PO","price":8.64,"currency_code":"USD","in_stock":true},{"title":"7\/16\"","offer_id":47551714099414,"sku":"205-891PO","price":4.5,"currency_code":"USD","in_stock":true},{"title":"1\/2\"","offer_id":47551714132182,"sku":"205-893PO","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stainless-steel-fusion-friction-earring-posts-packs-of-144-otto-frei-2.jpg?v=1724088490"},{"product_id":"rubber-ear-nut-beige","title":"Rubber Beige Color Earring Backs-Pack of 144","description":"\u003cp\u003eKeep finished earring designs secure and comfortable with these beige rubber earring backs. Sold in bulk packs of 144, they are well-suited for jewelers, studio metalsmiths, and retailers who need a reliable supply of friction-style ear nuts for everyday use or resale.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBeige rubber construction\u003c\/li\u003e\n\u003cli\u003eFriction-fit design holds earring posts firmly in place\u003c\/li\u003e\n\u003cli\u003eSuitable for resale or studio use\u003c\/li\u003e\n\u003cli\u003eSold in a bulk pack of 144 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eRubber (Plastic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBeige\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e144 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003ctd\u003e21P-42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Plastic","offer_id":43587035168982,"sku":"21P-42","price":12.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/rubber-beige-color-earring-backs-pack-of-144-otto-frei.jpg?v=1719955717"},{"product_id":"plastic-black-color-earring-backs-pack-of-144","title":"Plastic Black Color Earring Backs-Pack of 144","description":"\u003cp\u003eKeep earring posts secure with these black plastic earring backs, sold in a convenient pack of 144. Designed for professional jewelers, retailers, and resale applications, these ear nuts offer reliable friction fit for standard earring posts. The black color provides a discreet, finished look suited for a wide range of earring styles.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBlack plastic construction\u003c\/li\u003e\n\u003cli\u003eFriction-fit design for standard earring posts\u003c\/li\u003e\n\u003cli\u003eIdeal for retail resale and professional jewelry use\u003c\/li\u003e\n\u003cli\u003eSold in bulk packs for high-volume needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e144\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21P-43\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Plastic","offer_id":43587035234518,"sku":"21P-43","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/plastic-black-color-earring-backs-pack-of-144-otto-frei.jpg?v=1719955717"},{"product_id":"plastic-earring-support-disk-with-center-hole-pack-of-144","title":"Plastic Earring Support Disk with Center Hole-Pack of 144","description":"\u003cp\u003eKeep earring posts secure and comfortable with these plastic earring support disks. Designed with a center hole to fit standard earring posts, these disks sit behind the earlobe to provide a stable backing surface that helps prevent post pull-through and supports the ear. At 1\/2\" in diameter, they offer reliable coverage and are ideal for resale alongside your earring findings or for use in your own production work. Sold in packages of 144.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCenter hole accommodates standard earring posts\u003c\/li\u003e\n\u003cli\u003eSits behind the earlobe to stabilize post and backing\u003c\/li\u003e\n\u003cli\u003eHelps prevent post pull-through on pierced ears\u003c\/li\u003e\n\u003cli\u003eLightweight plastic construction\u003c\/li\u003e\n\u003cli\u003eSuitable for resale or production use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e144 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e144 plastic earring support disks with center hole\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Plastic","offer_id":43587035267286,"sku":"21P-44","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/21P-44NEW_thumb_993d3c27-7ed5-404b-84c2-9560cb9dd801.jpg?v=1765299097"},{"product_id":"rubber-safety-sleeve","title":"Rubber Earring Post Safety Sleeve-Pack of 144","description":"\u003cp\u003eKeep earring posts securely in place with these small hypoallergenic rubber safety sleeves. Designed to prevent earwires from slipping off, these sleeves are equally useful for securing earwires on jewelry displays. Each sleeve is a round tube measuring 3mm in diameter and 3mm in length, with a small center hole for the post to pass through.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHypoallergenic construction for sensitive wearers\u003c\/li\u003e\n\u003cli\u003ePrevents earwires from slipping off posts\u003c\/li\u003e\n\u003cli\u003eUseful for securing earwires on jewelry display setups\u003c\/li\u003e\n\u003cli\u003eRound tube form with small center hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePlastic (hypoallergenic rubber)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e144 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21P-50\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Plastic","offer_id":43587035365590,"sku":"21P-50","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/rubber-earring-post-safety-sleeve-pack-of-144-otto-frei.jpg?v=1719955712"},{"product_id":"barrel-ear-nut-wp-yp","title":"White Plated \u0026 Yellow Plated Barrel Friction Earring Backs-Packs of 144","description":"\u003cp\u003eBarrel friction earring backs in white plated and yellow plated finishes, sold in bulk packs of 144. These classic barrel-style ear nuts provide a secure friction fit for standard earring posts, making them a reliable choice for jewelers, bench workers, and resale applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBarrel-style friction earring backs for standard post earrings\u003c\/li\u003e\n  \u003cli\u003eAvailable in white plated and yellow plated finishes\u003c\/li\u003e\n  \u003cli\u003eSold in packs of 144 for efficient bench and resale stocking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003ctd\u003eBarrel Friction Ear Nut\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e144 per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAvailable Finishes\u003c\/th\u003e\n\u003ctd\u003eWhite Plated, Yellow Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e215-40\u003c\/td\u003e\n\u003ctd\u003eWhite Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e216-40\u003c\/td\u003e\n\u003ctd\u003eYellow Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"White Plated","offer_id":43587061317846,"sku":"215-40","price":3.04,"currency_code":"USD","in_stock":true},{"title":"Yellow Plated","offer_id":47807128305878,"sku":"216-40","price":4.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/white-plated-and-yellow-plated-barrel-friction-earring-backs-packs-of-144-otto-frei-1.jpg?v=1719955700"},{"product_id":"gold-threaded-earring-screwposts-034x375-14k","title":"Gold Threaded Earring Posts .034\" x .375\"","description":"\u003cp\u003eThese gold \u003cstrong\u003ethreaded earring posts\u003c\/strong\u003e — also called screwposts — measure \u003cstrong\u003e.034\" (0.86 mm) in diameter\u003c\/strong\u003e and \u003cstrong\u003e.375\" (9.5 mm) in length\u003c\/strong\u003e. Designed for secure, professional earring construction, these posts must be used with .034\" (0.86 mm) diameter threaded ear nuts (screwnuts). Available in 14K Yellow or 14K White gold, and also offered in sets that include the matching threaded ear nut.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold by the piece.\u003c\/strong\u003e To order a pair, add 2 pieces to your cart. All findings are sold by the piece unless otherwise noted.\u003c\/p\u003e\u003cp\u003eMade in the USA using 100% recycled gold by a leading precious metal findings manufacturer certified to \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e (Environmental Management) and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e (Quality Management System) standards.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThreaded post design (screwpost) for secure earring wear\u003c\/li\u003e\n\u003cli\u003eCompatible with .034\" (0.86 mm) threaded ear nuts (screwnuts)\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K Yellow Gold and 14K White Gold\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 and ISO 9001:2015 certifications\u003c\/li\u003e\n\u003cli\u003eAlso available in sets with matching threaded ear nut\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e.034\" (0.86 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e.375\" (9.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Ear Nut Thread Size\u003c\/th\u003e\n\u003ctd\u003e.034\" (0.86 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003ctd\u003e14K Gold (Yellow or White)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecycled Metal\u003c\/th\u003e\n\u003ctd\u003e100% recycled gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eISO 14001:2015, ISO 9001:2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e240-20PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e241-20PO\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMust be paired with .034\" (0.86 mm) threaded ear nuts — not included unless purchasing a set.\u003c\/li\u003e\n\u003cli\u003eOrder 2 pieces to receive a pair.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"14K Yellow","offer_id":47551361188054,"sku":"240-20PO","price":10.19,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807140790486,"sku":"241-20PO","price":10.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky-and-14kw-threaded-earring-posts-034-x-375-otto-frei.jpg?v=1719955564"},{"product_id":"gold-baby-safe-threaded-earring-backs-034-one-hole-4-5mm-od","title":"Gold Baby Safe Threaded Earring Backs – .034\" One Hole, 4.5mm OD","description":"\u003cp\u003eThese one-hole baby safe threaded earring backs are designed to fit .034\" (0.86mm) diameter threaded screwposts, providing a secure and child-friendly closure for earrings intended for infants and young children. The 4.5mm outer diameter measurement is taken at the widest part of the nut. Available in 14K yellow gold and 14K white gold to match a variety of earring settings.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBaby safe screw-style ear nut design for secure wear\u003c\/li\u003e\n\u003cli\u003eFits .034\" (0.86mm) diameter threaded screwposts\u003c\/li\u003e\n\u003cli\u003e4.5mm outer diameter measured at the widest part of the nut\u003c\/li\u003e\n\u003cli\u003eOne-hole construction\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K yellow gold and 14K white gold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter Compatibility\u003c\/th\u003e\n\u003ctd\u003e.034\" (0.86mm) threaded screwposts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003e4.5mm (at widest point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHole Count\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKarat\u003c\/th\u003e\n\u003ctd\u003e14K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTags\u003c\/th\u003e\n\u003ctd\u003eEar Post \u0026amp; Backs, Earrings, Resale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-30\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-30\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"WR Cobb","offers":[{"title":"14K Yellow","offer_id":47551361286358,"sku":"210-30","price":28.59,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807140823254,"sku":"211-30","price":29.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky-and-14kw-034-one-hole-baby-safe-threaded-earring-backs-4-5mm-od-otto-frei.jpg?v=1719955565"},{"product_id":"standard-5mm-friction-earring-backs-gold-platinum","title":"Gold \u0026 Platinum Standard 5mm Friction Earring Backs","description":"\u003cp\u003eThese top-quality \u003cstrong\u003estandard 5mm friction earring backs\u003c\/strong\u003e are substantial enough to firmly hold to the correct diameter friction post. Each ear nut is sized at 5.0mm at its widest point and is designed to work best with post diameters ranging from 0.66mm to 0.76mm (0.026\"–0.030\", approximately 20–22 gauge). Available in five precious metal types, these findings deliver the security and refined finish professional jewelers expect. Made in the USA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by the piece.\u003c\/strong\u003e To order a pair, add 2 pieces to your cart.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard 5.0mm friction back sized at the widest point of the nut\u003c\/li\u003e\n\u003cli\u003eDesigned to grip posts from 0.66mm–0.76mm diameter (approximately 20–22 gauge)\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K Yellow, 14K White, 18K Yellow, 18K White, and Platinum\u003c\/li\u003e\n\u003cli\u003eSubstantial construction provides reliable post retention\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eSold individually — order 2 for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003ctd\u003eStandard Friction Ear Nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e5.0mm (measured at widest point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Post Diameter\u003c\/th\u003e\n\u003ctd\u003e0.66mm–0.76mm (0.026\"–0.030\" \/ approx. 20–22 gauge)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece (order 2 for a pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-10\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-10\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-10\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-10\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-10\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807141478614,"sku":"21B-10","price":17.3,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807141445846,"sku":"21C-10","price":23.32,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807141413078,"sku":"21E-10","price":21.84,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551361614038,"sku":"210-10","price":15.57,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807141511382,"sku":"211-10","price":16.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-standard-5mm-friction-earring-backs-otto-frei.jpg?v=1719955564"},{"product_id":"monster-starburst-9mm-friction-ear-nuts-gold-platinum","title":"Gold \u0026 Platinum Monster Starburst 9mm Friction Earring Backs","description":"\u003cp\u003eHold a large or heavy earring flat against the ear with a back that grips more of the post than a standard ear nut does.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMonster \"Starburst\" friction ear nuts\u003c\/strong\u003e from WR Cobb are oversized, heavy-duty earring backs built for stability and security. Made to a heavier gauge than standard ear nuts, these 9.0 mm backs deliver superior grip and support, particularly for larger or heavier earrings. They are made in the USA in 14K yellow gold, 14K white gold, 18K yellow gold, 18K white gold, and platinum, and are \u003cstrong\u003esold individually\u003c\/strong\u003e, so order two for a pair.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarge 9.0 mm diameter at the widest point for maximum support\u003c\/li\u003e\n\u003cli\u003e\"Starburst\" design grips heavier earrings and holds them securely in place\u003c\/li\u003e\n\u003cli\u003eConstructed to a heavier gauge than standard friction ear nuts\u003c\/li\u003e\n\u003cli\u003eOversized profile is easier to handle and less likely to be misplaced\u003c\/li\u003e\n\u003cli\u003eSolid 14K gold, 18K gold, or platinum, matched to the earring\u003c\/li\u003e\n\u003cli\u003eSold by the piece for flexible ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-520\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-520\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-520\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-520\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-520\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits earring posts measuring 0.76–1.00 mm (0.030–0.040\", approximately 21–18 gauge).\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSold by the piece. Order 2 for a pair.\u003c\/li\u003e\n\u003cli\u003eSuited to larger or heavier earrings that need extra support and balance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807141282006,"sku":"21B-520","price":157.88,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807141314774,"sku":"21C-520","price":145.81,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807141347542,"sku":"21E-520","price":135.22,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551361974486,"sku":"210-520","price":88.84,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807141249238,"sku":"211-520","price":91.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-monster-starburst-9mm-friction-earring-backs-otto-frei.jpg?v=1719955565"},{"product_id":"screw-ear-nuts-two-hole-034in-post-4-5mm-gold-platinum","title":"Gold \u0026 Platinum Two-Hole Screw Ear Nuts – .034\" Threaded Post, 4.5mm OD","description":"\u003cp\u003eA precise, professional earring back for threaded screwposts, this two-hole screw ear nut is designed to fit 0.86 mm \/ .034\" diameter threaded screwposts. The nut measures 4.5 mm at its widest point, providing a secure and refined closure suitable for fine jewelry applications. Made in the USA from 100% recycled precious metal, these findings are available in five metal options: 14K Yellow, 14K White, 18K Yellow, 18K White, and Platinum.\u003c\/p\u003e\n\u003cp\u003eAll findings are \u003cstrong\u003esold by the piece\u003c\/strong\u003e. To order a pair, add 2 pieces to your cart.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-hole screw design for a secure, adjustable fit on threaded posts\u003c\/li\u003e\n\u003cli\u003eFits 0.86 mm \/ .034\" diameter threaded screwposts\u003c\/li\u003e\n\u003cli\u003e4.5 mm outer diameter measured at the widest point of the nut\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K Yellow, 14K White, 18K Yellow, 18K White, and Platinum\u003c\/li\u003e\n\u003cli\u003eMade in the USA using 100% recycled gold and platinum\u003c\/li\u003e\n\u003cli\u003eManufactured by a findings maker certified to ISO 14001:2015 (Environmental) and ISO 9001:2015 (Quality Management System) standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter Compatibility\u003c\/th\u003e\n\u003ctd\u003e0.86 mm \/ .034\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003e4.5 mm (at widest point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003ctd\u003eTwo-hole screw ear nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% recycled precious metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eISO 14001:2015, ISO 9001:2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eIndividual piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-20\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-20\u003c\/td\u003e\n\u003ctd\u003e18K Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-20\u003c\/td\u003e\n\u003ctd\u003e18K White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-20\u003c\/td\u003e\n\u003ctd\u003e14K Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-20\u003c\/td\u003e\n\u003ctd\u003e14K White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807141576918,"sku":"21B-20","price":54.16,"currency_code":"USD","in_stock":false},{"title":"18K Yellow","offer_id":47807141675222,"sku":"21C-20","price":40.67,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807141609686,"sku":"21E-20","price":41.92,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551361810646,"sku":"210-20","price":28.88,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807141642454,"sku":"211-20","price":27.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-034-threaded-earring-backs-4-5mm-od-otto-frei.jpg?v=1719955560"},{"product_id":"extra-heavy-7mm-friction-earring-backs-gold-platinum-rose-gold","title":"Gold, Platinum \u0026 Rose Gold Extra-Heavy 7mm Friction Earring Backs","description":"\u003cp\u003eReach for these ear nuts when a stud needs a back that will not creep loose, on a heavier drop, or on a piece worn every day. Made in the USA by WR Cobb, the extra-heavy friction back measures 7.0 mm (0.276\") across at its widest point and grips posts from 0.76 to 1.00 mm (0.030–0.040\", roughly 21–18 gauge). The solid back seats firmly against the earlobe and locks onto the post with confident resistance. Choose 14K yellow, white, or pink (rose) gold, 18K yellow or white gold, or platinum. Ear nuts are sold by the piece, so order two for a pair.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra-heavy friction tension\u003c\/strong\u003e helps keep stud earrings from loosening during wear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad 7.0 mm backing profile\u003c\/strong\u003e adds support and balance for larger or weightier earrings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth, rounded edges\u003c\/strong\u003e for comfortable contact behind the earlobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision friction fit\u003c\/strong\u003e matched to posts of 0.76–1.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix precious metals:\u003c\/strong\u003e 14K yellow, white, and pink gold, 18K yellow and white gold, and platinum\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-401\u003c\/td\u003e\n\u003ctd\u003e14K yellow gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-401\u003c\/td\u003e\n\u003ctd\u003e14K white gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-401\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-401\u003c\/td\u003e\n\u003ctd\u003e18K yellow gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-401\u003c\/td\u003e\n\u003ctd\u003e18K white gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21P-401\u003c\/td\u003e\n\u003ctd\u003e14K pink (rose) gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThese extra-heavy ear nuts are sold by the piece. Order two pieces if you need a matched pair for one set of earrings. All findings are sold by the piece unless otherwise noted.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807142035670,"sku":"21B-401","price":88.7,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807142002902,"sku":"21C-401","price":77.39,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807142068438,"sku":"21E-401","price":75.01,"currency_code":"USD","in_stock":true},{"title":"14K Pink","offer_id":47807141970134,"sku":"21P-401","price":48.55,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551362629846,"sku":"210-401","price":47.59,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807141937366,"sku":"211-401","price":50.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw14kp18ky18kw-and-platinum-extra-heavy-7mm-friction-earring-backs-otto-frei.jpg?v=1719955560"},{"product_id":"gold-platinum-extra-heavy-friction-earring-posts-036x437","title":"Gold \u0026 Platinum Extra-Heavy Friction Earring Posts .036\" x .437\"","description":"\u003cp\u003eReach for these extra-heavy friction ear posts at the bench when an earring design needs more post than a standard gauge gives you. Each post measures \u003cstrong\u003e0.036\" (0.91 mm) in diameter\u003c\/strong\u003e and \u003cstrong\u003e0.437\" (11.1 mm) in length\u003c\/strong\u003e, the substantial gauge professional jewelers prefer for secure, long-lasting earring constructions.\u003c\/p\u003e\u003cp\u003eWR Cobb makes these posts in the USA from \u003cstrong\u003e100% recycled gold and platinum\u003c\/strong\u003e in six precious metal options spanning 14K, 18K and platinum. The manufacturer holds both \u003cstrong\u003eISO 14001:2015 Environmental Management System\u003c\/strong\u003e and \u003cstrong\u003eISO 9001:2015 Quality Management System\u003c\/strong\u003e certification, reflecting a commitment to responsible sourcing and consistent quality. \u003cstrong\u003eSold individually, by the piece.\u003c\/strong\u003e To order a pair, add 2 pieces to your cart.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExtra-heavy gauge post for secure friction earring assemblies\u003c\/li\u003e\n\u003cli\u003eDiameter of 0.036\" (0.91 mm) and length of 0.437\" (11.1 mm)\u003c\/li\u003e\n\u003cli\u003eSix metal types: 14K yellow, 14K white, 14K pink, 18K yellow, 18K white and platinum\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold and platinum\u003c\/li\u003e\n\u003cli\u003eManufacturer certified to ISO 14001:2015 and ISO 9001:2015 standards\u003c\/li\u003e\n\u003cli\u003eSold by the piece\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200-801PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e201-801PO\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20B-801PO\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20C-801PO\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20E-801PO\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20P-801PO\u003c\/td\u003e\n\u003ctd\u003e14K Pink Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThese posts suit a wide variety of friction earring nuts and are most commonly paired with part \u003cstrong\u003e21B-401\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eAll findings are sold by the piece unless otherwise noted. Order 2 pieces for a matched pair.\u003c\/li\u003e\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807141806294,"sku":"20B-801PO","price":30.44,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807141839062,"sku":"20C-801PO","price":28.77,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807141773526,"sku":"20E-801PO","price":30.65,"currency_code":"USD","in_stock":true},{"title":"14K Pink","offer_id":47807141904598,"sku":"20P-801PO","price":19.17,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551362662614,"sku":"200-801PO","price":19.09,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807141871830,"sku":"201-801PO","price":19.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw14kp18ky18kw-and-platinum-friction-earring-posts-036-x-437-otto-frei.jpg?v=1719955560"},{"product_id":"gold-platinum-pink-gold-threaded-earring-posts-041-x-437","title":"Gold, Platinum \u0026 Pink Gold Threaded Earring Posts .041\" x .437\"","description":"\u003cp\u003eThese threaded earring posts — also called screwposts — are available in six precious metal options and sold individually. The posts measure \u003cstrong\u003e.041\"\u003c\/strong\u003e (1.04 mm) in diameter and \u003cstrong\u003e.437\"\u003c\/strong\u003e (11.1 mm) in length. They must be paired with .041\" (1.04 mm) diameter threaded ear nuts, also called screwnuts, sold separately or available in matching sets.\u003c\/p\u003e\u003cp\u003eMade in the USA from 100% recycled precious metal by a leading precious metal findings manufacturer. The manufacturer holds both \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e Environmental Management and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e Quality Management System certifications.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAll findings are sold by the piece unless otherwise noted. To order a pair, add 2 pieces to your cart.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThreaded design (screwpost) for secure wear\u003c\/li\u003e\n\u003cli\u003eCompatible with .041\" (1.04 mm) threaded ear nuts \/ screwnuts\u003c\/li\u003e\n\u003cli\u003eAvailable in six precious metal options including Platinum and Pink Gold\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled precious metal\u003c\/li\u003e\n\u003cli\u003eManufacturer certified to ISO 14001:2015 and ISO 9001:2015 standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e.041\" (1.04 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e.437\" (11.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Ear Nut Thread Size\u003c\/th\u003e\n\u003ctd\u003e.041\" (1.04 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Style\u003c\/th\u003e\n\u003ctd\u003eThreaded (screwpost)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% recycled precious metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24B-10PO\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e240-10PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e241-10PO\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24P-10PO\u003c\/td\u003e\n\u003ctd\u003e14K Pink Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24C-10PO\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24E-10PO\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807147999446,"sku":"24B-10PO","price":29.39,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807148032214,"sku":"24C-10PO","price":27.48,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807148064982,"sku":"24E-10PO","price":26.77,"currency_code":"USD","in_stock":true},{"title":"14K Pink","offer_id":47807148097750,"sku":"24P-10PO","price":18.11,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551363023062,"sku":"240-10PO","price":17.5,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807148130518,"sku":"241-10PO","price":17.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw14kp18kw18ky-and-platinum-threaded-earring-posts-041-x-437-otto-frei.jpg?v=1719955560"},{"product_id":"extra-heavy-friction-ear-nuts-6-5mm-030-036-pack-12","title":"Sterling Silver \u0026 Yellow Gold Filled Extra Heavy 6.5mm Friction Earring Backs - Packs of 12","description":"\u003cp\u003eExtra heavy friction backs keep stud earrings from working loose at the bench and in daily wear, gripping the post hard enough to hold a weightier stud in place.\u003c\/p\u003e\u003cp\u003eThese WR Cobb ear nuts are sold by the dozen and sized to fit earring posts of 0.76–0.91 mm (0.030–0.036\") for a very secure hold. The compact, solid feel as the nut slides onto the post gives reassuring resistance and stability, and the low profile rests smoothly against the back of the earlobe. Choose sterling silver or yellow gold-filled to coordinate with common stud findings.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExtra heavy friction tension for a very secure grip on compatible earring posts\u003c\/li\u003e\n\u003cli\u003eSized for everyday stud earrings and heavier styles that need added support\u003c\/li\u003e\n\u003cli\u003eLow-profile shape that rests smoothly against the back of the earlobe\u003c\/li\u003e\n\u003cli\u003e6.6 mm (0.26\") outside diameter\u003c\/li\u003e\n\u003cli\u003eSupplied in economical packs of 12 pieces (1 dozen) for bench use, stocking, or replacements\u003c\/li\u003e\n\u003cli\u003eTwo metal options: sterling silver and yellow gold-filled\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e212-13\u003c\/td\u003e\n\u003ctd\u003eYellow Gold Filled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e214-13\u003c\/td\u003e\n\u003ctd\u003eSterling Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits earring posts measuring 0.76–0.91 mm (0.030–0.036\") in diameter. Confirm your posts fall within that range before selecting these extra heavy ear nuts, as posts outside it will not seat correctly.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe added friction is intended to reduce the risk of studs loosening during wear, especially on more valuable or weightier earrings.\u003c\/li\u003e\n\u003cli\u003eSold per pack of 12; the metal option is chosen at the variant level.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"Yellow Gold Filled","offer_id":47551363055830,"sku":"212-13","price":31.46,"currency_code":"USD","in_stock":true},{"title":"Sterling Silver","offer_id":47807142101206,"sku":"214-13","price":22.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-and-yellow-gold-filled-extra-heavy-6-5mm-friction-earring-backs-packs-of-12-otto-frei-1.jpg?v=1719955560"},{"product_id":"gold-guardian-ii-positive-locking-6-1mm-earring-backs-comfort-triggers","title":"Gold Guardian II Positive Locking 6.1mm Earring Backs with Comfort Triggers","description":"\u003cp\u003eSetting an earring on a post that has to survive daily wear calls for a clutch that locks rather than merely grips. The \u003cstrong\u003eGuardian II Positive Locking Earring Backs\u003c\/strong\u003e, also sold as \u003cem\u003eGuardian II Ear Nuts\u003c\/em\u003e or \u003cem\u003eGuardian II Safety Earring Backs\u003c\/em\u003e, are a 6.1mm outside diameter clutch with comfort triggers, made to fit a 0.89mm (0.035\") diameter post. The triggers snap closed around a groove on the matching ear post and release only when both tabs are squeezed at the same time. The Guardian II improves on the original Guardian design with slightly larger triggers that are bent over to present a smooth surface for easier unlocking. WR Cobb makes these findings in the USA from 100% recycled gold, in 14K and 18K yellow or white, and is certified to ISO 14001:2015 (Environmental) and ISO 9001:2015 (Quality Management System) standards.\u003c\/p\u003e\u003cp\u003ePositive locking earring backs have been available since the French introduced the ZOP system in the late twentieth century. The original ZOP system and some successor brands are no longer produced, and Guardian backs have become the dominant locking system in the market.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold by the piece.\u003c\/strong\u003e To order a pair, add 2 pieces to your cart. Guardian II comfort trigger backs are also available in a larger 7.1mm outside diameter to fit a 1.0mm diameter post, listed under related items.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePositive locking mechanism that requires squeezing both tabs to release from the post\u003c\/li\u003e\n\u003cli\u003eComfort triggers: larger tabs bent over for a smooth, ergonomic unlocking surface\u003c\/li\u003e\n\u003cli\u003e6.1mm outside diameter, fits a 0.89mm (0.035\") diameter ear post\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K yellow gold, 14K white gold, 18K yellow gold, and 18K white gold\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 and ISO 9001:2015 certifications\u003c\/li\u003e\n\u003cli\u003eSold by the piece, so order 2 pieces for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-305\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-305\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-305\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-305\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThese clutches are recommended for use with their matching Guardian II ear posts, part number \u003cstrong\u003e20B-302POMAIN\u003c\/strong\u003e. Skilled jewelers may also adapt compatible posts to work with this system.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eTo keep the mechanism working, clean Guardian II ear nuts with \u003cstrong\u003ealcohol only\u003c\/strong\u003e. Do not use polishing compounds, rouge, or other cleaning agents. Avoid excessive heat and exposure to small particles or residue, as these may affect the working mechanics of the ear nuts.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"18K Yellow","offer_id":47551363481814,"sku":"21C-305","price":85.72,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807151243478,"sku":"21E-305","price":82.34,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47807151210710,"sku":"210-305","price":56.58,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807151177942,"sku":"211-305","price":61.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky-and-18kw-guardian-ii-positive-locking-6-1mm-earring-backs-otto-frei.jpg?v=1719955557"},{"product_id":"gold-heavy-6-3mm-friction-earring-backs-14k-18k","title":"Gold Heavy 6.3mm Friction Earring Backs","description":"\u003cp\u003eHeavier earrings need a back with enough body to hold the post through a full day of wear. These heavy friction ear nuts measure \u003cstrong\u003e6.3 mm\u003c\/strong\u003e at the widest point of the nut and take ear posts from 0.76 mm to 0.91 mm, approximately 19–21 gauge or .030\"–.036\". WR Cobb makes each back in the USA from 100% recycled gold, in 14K and 18K yellow and white, and is certified to \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e Environmental and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e Quality Management System standards. They are sold \u003cstrong\u003eby the piece\u003c\/strong\u003e, so order 2 for a pair.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeavy friction back sized for substantial earring designs\u003c\/li\u003e\n\u003cli\u003e6.3 mm diameter, measured at the widest point of the nut\u003c\/li\u003e\n\u003cli\u003eFits ear posts from 0.76 mm to 0.91 mm (approximately 19–21 gauge, .030\"–.036\")\u003c\/li\u003e\n\u003cli\u003eAvailable in 14K yellow gold, 14K white gold, 18K yellow gold, and 18K white gold\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eManufacturer holds ISO 14001:2015 and ISO 9001:2015 certifications\u003c\/li\u003e\n\u003cli\u003eSold by the piece, so order 2 pieces for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-13\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-13\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-13\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-13\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"WR Cobb","offers":[{"title":"18K Yellow","offer_id":47807228838102,"sku":"21C-13","price":61.42,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807228870870,"sku":"21E-13","price":59.6,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551373574358,"sku":"210-13","price":40.31,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807228903638,"sku":"211-13","price":39.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky-and-18kw-heavy-6-3mm-friction-earring-backs-otto-frei.jpg?v=1719955542"},{"product_id":"threaded-earring-backs-034-post-6-5mm-gold-platinum","title":"Gold \u0026 Platinum Threaded Earring Backs – .034\" Post, 6.5mm OD","description":"\u003cp\u003eThese screw-nuts — also called threaded earring backs — are designed to fit 0.86mm (.034\") diameter threaded screw-posts. Available in 14K Yellow, 14K White, 18K White, and Platinum, these findings offer a secure, professional-grade closure for fine earring designs. The outer diameter of 6.5mm is measured at the widest part of the nut. Made in the USA.\u003c\/p\u003e\n\u003cp\u003eSold by the piece. To order a pair, add 2 pieces to your cart.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThreaded design fits 0.86mm (.034\") diameter screw-posts\u003c\/li\u003e\n\u003cli\u003e6.5mm outer diameter measured at widest point\u003c\/li\u003e\n\u003cli\u003eAvailable in four precious metal options: 14K Yellow, 14K White, 18K White, and Platinum\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eSold individually — order 2 for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Diameter Compatibility\u003c\/th\u003e\n\u003ctd\u003e0.86mm (.034\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003e6.5mm (measured at widest point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-08\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-08\u003c\/td\u003e\n\u003ctd\u003e14K Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-08\u003c\/td\u003e\n\u003ctd\u003e14K White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-08\u003c\/td\u003e\n\u003ctd\u003e18K White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807229198550,"sku":"21B-08","price":32.49,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807229264086,"sku":"21E-08","price":39.41,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551374983382,"sku":"210-08","price":26.87,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807229231318,"sku":"211-08","price":27.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18kw-and-platinum-034-threaded-earring-backs-6-5mm-od-otto-frei.jpg?v=1719955543"},{"product_id":"gold-platinum-threaded-monster-9mm-041-earring-backs","title":"Gold \u0026 Platinum .041\" Threaded Monster 9mm Earring Backs","description":"\u003cp\u003eA threaded nut screws onto the post and stays there, which is what a heavier or higher value earring needs when a friction back would work loose during wear. WR Cobb produces this two-hole Monster style back in 14K yellow gold, 14K white gold, 18K white gold, and platinum. Each nut measures 9.0mm across the widest point of the outside diameter and fits 1.04mm (.041\") diameter threaded screwposts.\u003c\/p\u003e\u003cp\u003eMade in the United States from 100% recycled gold by a precious metal findings manufacturer certified to both \u003cstrong\u003eISO 14001:2015 Environmental Management System\u003c\/strong\u003e and \u003cstrong\u003eISO 9001:2015 Quality Management System\u003c\/strong\u003e standards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold by the piece.\u003c\/strong\u003e Order 2 for a pair.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo-hole Monster style screw earring back\u003c\/li\u003e\n\u003cli\u003eFits 1.04mm (.041\") diameter threaded screwposts\u003c\/li\u003e\n\u003cli\u003e9.0mm outside diameter at the widest point\u003c\/li\u003e\n\u003cli\u003eFour precious metal options: 14K yellow gold, 14K white gold, 18K white gold, and platinum\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eISO 14001:2015 and ISO 9001:2015 certified manufacturer\u003c\/li\u003e\n\u003cli\u003eSold by the piece; order 2 for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-02\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-02\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-02\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-02\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThreads onto screwposts of 1.04mm (.041\") diameter.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807229591766,"sku":"21B-02","price":120.5,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807229558998,"sku":"21E-02","price":103.48,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551375147222,"sku":"210-02","price":65.25,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807229624534,"sku":"211-02","price":65.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18kw-and-platinum-041-threaded-monster-9mm-earring-backs-otto-frei.jpg?v=1719955542"},{"product_id":"gold-platinum-threaded-earring-screwposts-034x437","title":"Gold \u0026 Platinum Threaded Earring Posts .034\" x .437\"","description":"\u003cp\u003eThese threaded earring posts — also called screwposts — measure \u003cstrong\u003e.034\" (0.86 mm)\u003c\/strong\u003e in diameter and \u003cstrong\u003e.437\" (11.1 mm)\u003c\/strong\u003e in length. Available in 14K yellow, 14K white, 18K yellow, 18K white, and platinum, these precision findings are made in the USA using 100% recycled gold by a leading precious metal findings manufacturer. That manufacturer holds both \u003cstrong\u003eISO 14001:2015 Environmental\u003c\/strong\u003e and \u003cstrong\u003eISO 9001:2015 Quality Management System\u003c\/strong\u003e certifications.\u003c\/p\u003e\u003cp\u003eMust be used with \u003cstrong\u003e.034\" (0.86 mm) diameter threaded ear nuts\u003c\/strong\u003e (also called screwnuts). Matching threaded ear nuts and sets are available separately.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSold by the piece. To order a pair, add 2 pieces to your cart. All findings are sold by the piece unless otherwise noted.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThreaded (screwpost) design for secure, reliable wear\u003c\/li\u003e\n\u003cli\u003eCompatible with .034\" (0.86 mm) threaded ear nuts \/ screwnuts\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eManufactured by an ISO 14001:2015 and ISO 9001:2015 certified findings maker\u003c\/li\u003e\n\u003cli\u003eAvailable in five precious metal types\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e.034\" (0.86 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e.437\" (11.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Ear Nut Diameter\u003c\/th\u003e\n\u003ctd\u003e.034\" (0.86 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% recycled precious metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eISO 14001:2015, ISO 9001:2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24B-08PO\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e240-08PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e241-08PO\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24C-08PO\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24E-08PO\u003c\/td\u003e\n\u003ctd\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807229919446,"sku":"24B-08PO","price":22.91,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807230017750,"sku":"24C-08PO","price":20.31,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807229952214,"sku":"24E-08PO","price":20.55,"currency_code":"USD","in_stock":true},{"title":"14K Yellow","offer_id":47551375409366,"sku":"240-08PO","price":13.1,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807229984982,"sku":"241-08PO","price":13.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw18ky18kw-and-platinum-threaded-earring-posts-034-x-437-otto-frei.jpg?v=1719955538"},{"product_id":"two-hole-screw-ear-nuts-1-04mm-post-5-75mm-od","title":"Gold \u0026 Platinum Two-Hole Screw Ear Nuts – .041\" Post, 5.75mm OD","description":"\u003cp\u003eThread it onto a screwpost at the bench to close a pierced earring. This two-hole screw ear nut fits threaded screwposts of 1.04 mm (.041\") diameter, and its outside diameter of 5.75 mm is measured at the widest point of the nut. \u003cstrong\u003eSold by the piece\u003c\/strong\u003e, so order two for a pair. WR Cobb makes it in the USA from 100% recycled gold and platinum, at a plant certified to ISO 14001:2015 environmental and ISO 9001:2015 quality management standards. Six precious metal options cover 14K, 18K, pink gold, and platinum.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo-hole screw style ear nut for a secure threaded closure\u003c\/li\u003e\n\u003cli\u003eFits 1.04 mm (.041\") diameter threaded screwposts\u003c\/li\u003e\n\u003cli\u003e5.75 mm outside diameter measured at the widest point\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold and platinum\u003c\/li\u003e\n\u003cli\u003eManufacturer certified to ISO 14001:2015 and ISO 9001:2015\u003c\/li\u003e\n\u003cli\u003eSold by the piece, order two for a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210-60\u003c\/td\u003e\n\u003ctd\u003e14K Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e211-60\u003c\/td\u003e\n\u003ctd\u003e14K White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21B-60\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21C-60\u003c\/td\u003e\n\u003ctd\u003e18K Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21E-60\u003c\/td\u003e\n\u003ctd\u003e18K White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21P-60\u003c\/td\u003e\n\u003ctd\u003e14K Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits threaded screwposts with a 1.04 mm (.041\") diameter, including post numbers 24B-10POMAIN and 24B-05POMAIN.\u003c\/p\u003e","brand":"WR Cobb","offers":[{"title":"Platinum","offer_id":47807230247126,"sku":"21B-60","price":53.1,"currency_code":"USD","in_stock":true},{"title":"18K Yellow","offer_id":47807230214358,"sku":"21C-60","price":61.08,"currency_code":"USD","in_stock":true},{"title":"18K White","offer_id":47807230181590,"sku":"21E-60","price":56.94,"currency_code":"USD","in_stock":true},{"title":"14K Pink","offer_id":47807230116054,"sku":"21P-60","price":36.18,"currency_code":"USD","in_stock":false},{"title":"14K Yellow","offer_id":47551375704278,"sku":"210-60","price":26.24,"currency_code":"USD","in_stock":true},{"title":"14K White","offer_id":47807230148822,"sku":"211-60","price":24.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky14kw14kp18ky18kw-and-platinum-041-threaded-earring-backs-5-75mm-od-otto-frei.jpg?v=1719955538"},{"product_id":"14k-yellow-gold-threaded-fusion-earring-post-041x437","title":"Gold Threaded Fusion Earring Post .041\" x .437\"","description":"\u003cp\u003eThese 14K yellow gold threaded fusion earring posts are designed for professional jewelers working with fusion welding equipment or traditional soldering methods. Each post measures \u003cstrong\u003e.041\" (1.04 mm)\u003c\/strong\u003e in diameter and \u003cstrong\u003e.437\" (11.1 mm)\u003c\/strong\u003e in length, providing a precise, consistent fit for finished earring designs.\u003c\/p\u003e\u003cp\u003eFusion posts feature a small \u003cem\u003enib\u003c\/em\u003e of metal on a compact pad that fuses to metal—including dissimilar metals—when used with a fusion welder. For jewelers who prefer conventional soldering, the nib can be easily removed with a file, converting the post into a standard solder-on style. Use with compatible \u003cstrong\u003e.041\" threaded earring backs\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eMade in the USA using 100% recycled gold by a leading precious metal findings manufacturer certified to \u003cstrong\u003eISO 14001:2015\u003c\/strong\u003e Environmental and \u003cstrong\u003eISO 9001:2015\u003c\/strong\u003e Quality Management System standards.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFusion-ready nib fuses to metal, including dissimilar metals, when used with a fusion welder\u003c\/li\u003e\n\u003cli\u003eNib can be filed off for use as a standard solder-on earring post\u003c\/li\u003e\n\u003cli\u003eThreaded shaft for secure use with .041\" threaded earring backs\u003c\/li\u003e\n\u003cli\u003eMade in the USA from 100% recycled gold\u003c\/li\u003e\n\u003cli\u003eManufactured under ISO 14001:2015 and ISO 9001:2015 certified processes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e.041\" (1.04 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e.437\" (11.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePost Style\u003c\/th\u003e\n\u003ctd\u003eThreaded Fusion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Backs\u003c\/th\u003e\n\u003ctd\u003e.041\" threaded earring backs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eSold by the piece—order 2 for a pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial Sourcing\u003c\/th\u003e\n\u003ctd\u003e100% recycled gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eISO 14001:2015, ISO 9001:2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200-892PO\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAll findings are sold by the piece unless otherwise noted. To purchase a pair, add 2 pieces to your cart.\u003c\/li\u003e\n\u003cli\u003eNib removal with a file converts this post to a standard solder-on style without fusion welding equipment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WR Cobb","offers":[{"title":"14K Yellow","offer_id":47551534563542,"sku":"200-892PO","price":5.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14ky-threaded-fusion-earring-post-041-x-437-otto-frei.jpg?v=1719954961"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/ear-post-and-backs-otto-frei.jpg?v=1726692550","url":"https:\/\/www.ottofrei.com\/ja\/collections\/earring-posts-backs-findings.oembed?page=2","provider":"Otto Frei","version":"1.0","type":"link"}