{"product_id":"shapton-kuromaku-320-blue-black-whetstone","title":"Shapton Kuromaku 320 Grit Ceramic Whetstone – Blue-Black","description":"\u003ch2\u003eShapton Kuromaku 320 Grit Ceramic Whetstone – Blue-Black\u003c\/h2\u003e\n\u003cp\u003eThe Shapton Kuromaku 320 Blue-Black is a fast-cutting coarse ceramic waterstone for small chip repair, bevel resets, reprofiling, and heavy edge correction. It removes steel quickly while resisting wear, then hands off cleanly to a medium stone.\u003c\/p\u003e\n\u003cp\u003eMade in Japan, KUROMAKU is Shapton’s classic color-coded solid-stone series, also known in the U.S. as Ha-No-Kuromaku, Shapton Professional, or Shapton Pro. The included ventilated case protects the stone and doubles as a stable sharpening base.\u003c\/p\u003e\n\u003ch2\u003eWhy choose the 320 grit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRepairs small chips and rolled or neglected edges\u003c\/li\u003e\n\u003cli\u003eResets bevels and corrects edge geometry efficiently\u003c\/li\u003e\n\u003cli\u003eSolid 15 mm stone offers long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Shapton\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e KUROMAKU \/ Ha-No-Kuromaku\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer SKU:\u003c\/strong\u003e K0709\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcode:\u003c\/strong\u003e 4944509307092 (GTIN-13 \/ JAN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e 320\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Blue-Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone type:\u003c\/strong\u003e Solid synthetic ceramic waterstone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone dimensions:\u003c\/strong\u003e 210 × 70 × 15 mm (8.27 × 2.76 × 0.59 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone weight:\u003c\/strong\u003e Approximately 500 g (17.6 oz.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded case:\u003c\/strong\u003e Color-matched ventilated case\/holder, approximately 222 × 86 × 37 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater preparation:\u003c\/strong\u003e Splash-and-go; no soak required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003ePlace the stone in its case\/holder on a secure, level surface.\u003c\/li\u003e\n\u003cli\u003eAdd clean water to the sharpening face. No presoak is required.\u003c\/li\u003e\n\u003cli\u003eSharpen at a consistent angle, using light, controlled pressure and adding water as needed.\u003c\/li\u003e\n\u003cli\u003eCheck and flatten the stone periodically so the working surface stays true.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eCare\u003c\/h2\u003e\n\u003cp\u003eRinse with clean water after use, wipe away standing water, and let the stone air-dry completely at room temperature before storing it. Do not use detergent, hot water, a dishwasher, direct sun, or forced heat. Never leave the stone soaking for more than 30 minutes. If oil is used, keep that stone oil-only thereafter.\u003c\/p\u003e\n\u003ch2\u003eBuild a Shapton progression\u003c\/h2\u003e\n\u003cp\u003eFollow with the \u003ca href=\"\/products\/shapton-kuromaku-1000-orange-whetstone\"\u003eKuromaku 1000 Orange\u003c\/a\u003e to establish the working edge, then refine further as needed. Browse the full \u003ca href=\"\/collections\/shapton-whetstones\"\u003eShapton whetstone collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eCommon questions\u003c\/h2\u003e\n\u003ch3\u003eDoes a Kuromaku stone need soaking?\u003c\/h3\u003e\n\u003cp\u003eNo. Add water and begin sharpening. A brief wetting is optional, but long soaking can damage the stone.\u003c\/p\u003e\n\u003ch3\u003eCan both faces be used?\u003c\/h3\u003e\n\u003cp\u003eYes. Shapton says either face can be used and recommends beginning with the unprinted side.\u003c\/p\u003e\n\u003ch3\u003eDoes the case work as a holder?\u003c\/h3\u003e\n\u003cp\u003eYes. The included case is designed to double as the sharpening base during use.\u003c\/p\u003e","brand":"Shapton","offers":[{"title":"Default Title","offer_id":54405790466272,"sku":"K0709","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/6720\/0736\/files\/shapton-kuromaku-k0709-320-whetstone-top_f19d93c6-639f-448a-95f5-3ce2a56da182.jpg?v=1787857007","url":"https:\/\/tokushuknife.com\/products\/shapton-kuromaku-320-blue-black-whetstone","provider":"Tokushu Knife","version":"1.0","type":"link"}