{"product_id":"toishi-diamond-sintered-stones-3000-6000-grit-japan","title":"Toishi Diamond Sintered Stones","description":"\u003cp\u003eToishi Diamond Sintered Stones are precision sharpening and polishing stones made in Japan, designed for the demanding needs of professional jewelers, engravers, and metalsmiths. Each stone features a \u003cstrong\u003e1 mm deep sintered diamond surface\u003c\/strong\u003e that delivers consistent cutting action for shaping and final polishing of carbide gravers and other steel tools. The sintered construction ensures the diamond layer is durable and long-lasting, maintaining its abrasive integrity through repeated use.\u003c\/p\u003e\u003cp\u003eAvailable in two grits — 3000 and 6000 — these stones address both intermediate refinement and final polishing stages. The compact form factor makes them easy to control when working on small, detailed tool surfaces, such as graver tips and carbide cutting edges.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSintered diamond surface\u003c\/strong\u003e — 1 mm deep for durability and consistent abrasion\u003c\/li\u003e\n\u003cli\u003eIdeal for shaping and polishing \u003cstrong\u003ecarbide gravers\u003c\/strong\u003e and steel tools\u003c\/li\u003e\n\u003cli\u003eAvailable in \u003cstrong\u003e3000 grit\u003c\/strong\u003e (fine) and \u003cstrong\u003e6000 grit\u003c\/strong\u003e (ultra-fine) for progressive polishing\u003c\/li\u003e\n\u003cli\u003eCompact size for precise, controlled hand use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in Japan\u003c\/strong\u003e for professional-grade quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e70 mm × 20 mm × 10 mm (2-3\/4\" × 3\/4\" × 3\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiamond Layer Depth\u003c\/th\u003e\n\u003ctd\u003e1 mm sintered diamond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eSintered diamond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eJapan\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\u003eGrit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e110.581\u003c\/td\u003e\n\u003ctd\u003e3000 Grit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e110.582\u003c\/td\u003e\n\u003ctd\u003e6000 Grit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Made in Japan","offers":[{"title":"3000 Grit","offer_id":43578731790550,"sku":"110.581","price":39.0,"currency_code":"USD","in_stock":false},{"title":"6000 Grit","offer_id":43578731757782,"sku":"110.582","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/toishi-diamond-sintered-stones-otto-frei.jpg?v=1719958804","url":"https:\/\/www.ottofrei.com\/products\/toishi-diamond-sintered-stones-3000-6000-grit-japan","provider":"Otto Frei","version":"1.0","type":"link"}