{"product_id":"18k-bent-square-shank-hallmark-stamps-gooseneck","title":"18K Bent Square Shank Hallmark Stamps-3 Sizes","description":"\u003cp\u003eThese 18K bent square shank hallmark stamps are precision-cut from heat-treated tool steel and designed for marking precious metals. The bent shank — also known as a gooseneck design — allows jewelers to reach the inside of rings and other curved surfaces where a straight stamp cannot make contact. These stamps produce clean, sunken impressions and are manufactured in the USA and Germany.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: Measurement refers to the height of the impression, not the width.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBent (gooseneck) shank design for marking the inside of rings\u003c\/li\u003e\n\u003cli\u003ePrecision-cut heat-treated tool steel construction\u003c\/li\u003e\n\u003cli\u003eProduces sunken 18K hallmark impressions on precious metals\u003c\/li\u003e\n\u003cli\u003eAvailable in three impression height sizes\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA and Germany\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMark Type\u003c\/th\u003e\n\u003ctd\u003e18K Hallmark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShank Style\u003c\/th\u003e\n\u003ctd\u003eBent square shank (gooseneck)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHeat-treated tool steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpression Type\u003c\/th\u003e\n\u003ctd\u003eSunken\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eUSA and Germany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurement Basis\u003c\/th\u003e\n\u003ctd\u003eHeight of impression\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\u003eImpression Height\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e155.271\u003c\/td\u003e\n\u003ctd\u003e1.00mm (1\/25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e155.272\u003c\/td\u003e\n\u003ctd\u003e0.80mm (1\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e155.273\u003c\/td\u003e\n\u003ctd\u003e0.60mm (1\/45\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551749423318,"sku":"155.271","price":33.0,"currency_code":"USD","in_stock":true},{"title":"0.80mm","offer_id":47551749456086,"sku":"155.272","price":33.0,"currency_code":"USD","in_stock":true},{"title":"0.60mm","offer_id":47551749488854,"sku":"155.273","price":33.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/18k-bent-square-shank-hallmark-stamps-3-sizes-otto-frei.jpg?v=1719955170","url":"https:\/\/www.ottofrei.com\/products\/18k-bent-square-shank-hallmark-stamps-gooseneck","provider":"Otto Frei","version":"1.0","type":"link"}