{"product_id":"ster-sterling-straight-square-shank-hallmark-stamps-1mm-0-60mm","title":"STER (Sterling) Straight Square Shank Hallmark Stamps-2 Sizes","description":"\u003cp\u003eThese straight square shank STER hallmark stamps are precision cut from heat-treated tool steel and made in the USA. Designed for marking silver sheet that is no less than 0.925% silver, each stamp imprints the letters \u003cstrong\u003eSTER\u003c\/strong\u003e — an abbreviation for Sterling Silver. Straight stamps are intended for marking flat items. For marking the inside of rings, bent stamps are recommended. Note that the measurement refers to the height of the impression, not the width.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eImprints \u003cstrong\u003eSTER\u003c\/strong\u003e hallmark — abbreviation for Sterling Silver\u003c\/li\u003e\n\u003cli\u003ePrecision cut, heat-treated tool steel construction\u003c\/li\u003e\n\u003cli\u003eStraight square shank design for marking flat items\u003c\/li\u003e\n\u003cli\u003eMeasurement refers to impression height, not width\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\u003eShank Style\u003c\/th\u003e\n\u003ctd\u003eStraight square shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStamp Mark\u003c\/th\u003e\n\u003ctd\u003eSTER (Sterling Silver abbreviation)\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\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eFlat silver items, 0.925% silver or higher\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\u003eImpression Height\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e155.311\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e155.313\u003c\/td\u003e\n\u003ctd\u003e0.60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551749816534,"sku":"155.311","price":33.0,"currency_code":"USD","in_stock":true},{"title":"0.60mm","offer_id":47551749849302,"sku":"155.313","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ster-sterling-straight-square-shank-hallmark-stamps-2-sizes-otto-frei.jpg?v=1719955167","url":"https:\/\/www.ottofrei.com\/products\/ster-sterling-straight-square-shank-hallmark-stamps-1mm-0-60mm","provider":"Otto Frei","version":"1.0","type":"link"}