{"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","url":"https:\/\/www.ottofrei.com\/it\/products\/14ky-14kw-18ky-18kw-platinum-7-1mm-guardian-ii-positive-locking-earring-backs","provider":"Otto Frei","version":"1.0","type":"link"}