{"product_id":"gold-finger-fit-shank-double-4x4mm","title":"Gold Finger Fit Shank – Double 4x4mm","description":"\u003cp\u003eThe \u003cstrong\u003eFinger Fit Double Shank\u003c\/strong\u003e is an expandable, hinged ring shank designed to solve one of the most common fitting challenges in jewelry retail: rings that fit the knuckle but are loose on the finger, or rings that cannot pass over an enlarged knuckle. The shank opens, allowing the ring to pass over the knuckle, then closes and locks securely for a comfortable, snug fit.\u003c\/p\u003e\u003cp\u003eThis is the \u003cstrong\u003edouble shank configuration\u003c\/strong\u003e, constructed from two identical 2mm × 2mm shank sections soldered together. This design simplifies installation on larger-diameter rings and provides a stable, reinforced base. Available in \u003cstrong\u003e14K Yellow Gold, 14K White Gold, and 18K Yellow Gold\u003c\/strong\u003e, and in two closed-size ranges to accommodate a wide range of finger sizes.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable hinged design\u003c\/strong\u003e opens to pass over the knuckle, then closes and locks — no key or pin required to operate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover catches\u003c\/strong\u003e provide a guaranteed, secure close with no tension mechanisms that can loosen over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide wire\u003c\/strong\u003e bridges the gap when the shank is open, adding an extra layer of security so the ring cannot fall off or fly open unexpectedly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed to open 3 sizes\u003c\/strong\u003e, providing sufficient clearance for larger knuckles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDie-struck and CNC machined\u003c\/strong\u003e for precision fit and greater strength than a cast shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat and solder compatible\u003c\/strong\u003e — can be worked without damaging any components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll components are individually replaceable\u003c\/strong\u003e, extending the working life of the shank\u003c\/li\u003e\n\u003cli\u003eTested and proven in over 5,000 retail jewelry and trade shop environments\u003c\/li\u003e\n\u003cli\u003eAttaches to an existing ring — no need to redesign or create a new mounting\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\u003eDouble shank (two 2mm × 2mm sections soldered together)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShank Diameter\u003c\/th\u003e\n\u003ctd\u003e4mm × 4mm (combined)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003ctd\u003e14K Yellow Gold, 14K White Gold, 18K Yellow Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacture\u003c\/th\u003e\n\u003ctd\u003eDie-struck and CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMechanism\u003c\/th\u003e\n\u003ctd\u003eExpandable hinged shank with cover catches and guide wire\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\u003cth\u003eClosed Ring Size Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70-14\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003ctd\u003e2 to 5-1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70-15\u003c\/td\u003e\n\u003ctd\u003e14K Yellow Gold\u003c\/td\u003e\n\u003ctd\u003e5 to 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e71-14\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003ctd\u003e2 to 5-1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e71-15\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003ctd\u003e5 to 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7C-15\u003c\/td\u003e\n\u003ctd\u003e18K Yellow Gold\u003c\/td\u003e\n\u003ctd\u003e5 to 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"14K Yellow \/ 2 to 5-1\/2","offer_id":47551464702166,"sku":"70-14","price":1613.84,"currency_code":"USD","in_stock":false},{"title":"14K White \/ 2 to 5-1\/2","offer_id":47807342903510,"sku":"71-14","price":1305.86,"currency_code":"USD","in_stock":false},{"title":"14K White \/ 5 to 9","offer_id":47807342936278,"sku":"71-15","price":1250.47,"currency_code":"USD","in_stock":false},{"title":"14K Yellow \/ 5 to 9","offer_id":47807342969046,"sku":"70-15","price":1665.9,"currency_code":"USD","in_stock":true},{"title":"18K Yellow \/ 5 to 9","offer_id":47807343001814,"sku":"7C-15","price":2087.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/18k-gold-gold-finger-fit-shank-double-4x4mm.jpg?v=1774754160","url":"https:\/\/www.ottofrei.com\/products\/gold-finger-fit-shank-double-4x4mm","provider":"Otto Frei","version":"1.0","type":"link"}