{"product_id":"naniwa-chosera-whetstone-ss-400-grit-400","title":"Naniwa Chosera Whetstone SS-400 Grit 400","description":"\u003cdiv\u003e\n\u003csection data-testid=\"conversation-turn-14\" data-turn=\"assistant\" data-turn-id=\"request-6a4caeae-5c80-83ee-8011-24498610fe9c-5\" data-turn-id-container=\"request-6a4caeae-5c80-83ee-8011-24498610fe9c-5\" dir=\"auto\"\u003e\n\u003ch3 data-end=\"128\" data-section-id=\"15hsk4m\" data-start=\"43\"\u003e\u003cstrong data-end=\"128\" data-start=\"47\"\u003eCommercial Grade Coarse Sharpening Stone Engineered for Fast Edge Restoration\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"576\" data-start=\"130\"\u003eThe \u003cstrong data-end=\"178\" data-start=\"134\"\u003eNaniwa Chosera Whetstone SS-400 Grit 400\u003c\/strong\u003e is built to handle demanding edge restoration and primary sharpening tasks in professional kitchens, workshops, and sharpening stations. Engineered with Naniwa's premium abrasive technology, this coarse grit water stone removes material quickly while maintaining exceptional sharpening consistency, making it ideal for restoring dull or damaged blades before progressing to finer finishing stones.\u003c\/p\u003e\n\n\u003chr data-end=\"581\" data-start=\"578\"\u003e\n\u003ch2 data-end=\"629\" data-section-id=\"qa27g7\" data-start=\"583\"\u003eTechnical Specifications \u0026amp; Engineering Data\u003c\/h2\u003e\n\n\u003ctable data-end=\"1185\" data-start=\"631\"\u003e\n\t\u003cthead data-end=\"686\" data-start=\"631\"\u003e\n\t\t\u003ctr data-end=\"686\" data-start=\"631\"\u003e\n\t\t\t\u003cth data-col-size=\"sm\" data-end=\"654\" data-start=\"631\"\u003eSpecification Metric\u003c\/th\u003e\n\t\t\t\u003cth data-col-size=\"md\" data-end=\"686\" data-start=\"654\"\u003eCommercial Field Tested Data\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/thead\u003e\n\t\u003ctbody data-end=\"1185\" data-start=\"703\"\u003e\n\t\t\u003ctr data-end=\"738\" data-start=\"703\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"728\" data-start=\"703\"\u003e\u003cstrong data-end=\"727\" data-start=\"705\"\u003eManufacturer Brand\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"738\" data-start=\"728\"\u003eNaniwa\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"783\" data-start=\"739\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"765\" data-start=\"739\"\u003e\u003cstrong data-end=\"764\" data-start=\"741\"\u003eModel \/ Series Line\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"783\" data-start=\"765\"\u003eChosera SS-400\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"849\" data-start=\"784\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"811\" data-start=\"784\"\u003e\u003cstrong data-end=\"810\" data-start=\"786\"\u003eMaterial Composition\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"849\" data-start=\"811\"\u003ePremium Synthetic Sharpening Stone\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"899\" data-start=\"850\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"867\" data-start=\"850\"\u003e\u003cstrong data-end=\"866\" data-start=\"852\"\u003eStone Type\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"899\" data-start=\"867\"\u003eProfessional Water Whetstone\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"933\" data-start=\"900\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"918\" data-start=\"900\"\u003e\u003cstrong data-end=\"917\" data-start=\"902\"\u003eGrit Rating\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"933\" data-start=\"918\"\u003e#400 Coarse\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"954\" data-start=\"934\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"946\" data-start=\"934\"\u003e\u003cstrong data-end=\"945\" data-start=\"936\"\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"954\" data-start=\"946\"\u003eBlue\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"1017\" data-start=\"955\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"987\" data-start=\"955\"\u003e\u003cstrong data-end=\"986\" data-start=\"957\"\u003eExact Physical Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"1017\" data-start=\"987\"\u003e3.54 × 1.97 × 11.81 Inches\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"1047\" data-start=\"1018\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1039\" data-start=\"1018\"\u003e\u003cstrong data-end=\"1038\" data-start=\"1020\"\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"1047\" data-start=\"1039\"\u003e1 kg\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"1092\" data-start=\"1048\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1078\" data-start=\"1048\"\u003e\u003cstrong data-end=\"1077\" data-start=\"1050\"\u003eRecommended Lubrication\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"1092\" data-start=\"1078\"\u003eWater Only\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr data-end=\"1185\" data-start=\"1093\"\u003e\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1122\" data-start=\"1093\"\u003e\u003cstrong data-end=\"1121\" data-start=\"1095\"\u003eCommercial Application\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-col-size=\"md\" data-end=\"1185\" data-start=\"1122\"\u003eEdge Restoration, Bevel Formation, Primary Knife Sharpening\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr data-end=\"1190\" data-start=\"1187\"\u003e\n\u003ch2 data-end=\"1220\" data-section-id=\"9ld869\" data-start=\"1192\"\u003eCore Operational Features\u003c\/h2\u003e\n\n\u003cp data-end=\"1436\" data-start=\"1222\"\u003e\u003cstrong data-end=\"1254\" data-start=\"1222\"\u003eAggressive Edge Restoration:\u003c\/strong\u003e The #400 grit is engineered for rapid material removal, making it highly effective for repairing chipped edges, restoring dull blades, and establishing new bevels before refinement.\u003c\/p\u003e\n\n\u003cp data-end=\"1656\" data-start=\"1438\"\u003e\u003cstrong data-end=\"1471\" data-start=\"1438\"\u003ePremium Abrasive Performance:\u003c\/strong\u003e Manufactured using Naniwa's high quality synthetic abrasive technology, the stone delivers fast cutting action with consistent sharpening performance across the entire working surface.\u003c\/p\u003e\n\n\u003cp data-end=\"1883\" data-start=\"1658\"\u003e\u003cstrong data-end=\"1694\" data-start=\"1658\"\u003eHigh Density Stone Construction:\u003c\/strong\u003e Designed for demanding professional use, the dense abrasive composition offers excellent durability while helping maintain a stable sharpening surface through repeated sharpening sessions.\u003c\/p\u003e\n\n\u003cp data-end=\"2087\" data-start=\"1885\"\u003e\u003cstrong data-end=\"1917\" data-start=\"1885\"\u003eControlled Material Removal:\u003c\/strong\u003e Despite its aggressive cutting ability, the stone provides excellent tactile feedback, allowing users to maintain precise sharpening angles and consistent edge geometry.\u003c\/p\u003e\n\n\u003cp data-end=\"2289\" data-start=\"2089\"\u003e\u003cstrong data-end=\"2124\" data-start=\"2089\"\u003eProfessional Grade Reliability:\u003c\/strong\u003e Built to withstand continuous use in commercial environments, the SS-400 provides dependable performance for both routine maintenance and complete edge restoration.\u003c\/p\u003e\n\n\u003chr data-end=\"2294\" data-start=\"2291\"\u003e\n\u003ch2 data-end=\"2324\" data-section-id=\"cv28h3\" data-start=\"2296\"\u003eProfessional Applications\u003c\/h2\u003e\n\n\u003cp data-end=\"2712\" data-start=\"2326\"\u003eThe Naniwa Chosera SS-400 is ideal for professional chefs, knife sharpening specialists, culinary schools, woodworkers, and serious enthusiasts. It excels at restoring chef's knives, Japanese kitchen knives, outdoor knives, woodworking tools, and other precision cutting instruments that require significant edge repair or coarse sharpening before progressing through finer grit stones.\u003c\/p\u003e\n\n\u003chr data-end=\"2717\" data-start=\"2714\"\u003e\n\u003ch2 data-end=\"2749\" data-section-id=\"mcjx97\" data-start=\"2719\"\u003eWhy Professionals Choose It\u003c\/h2\u003e\n\n\u003cp data-end=\"3087\" data-start=\"2751\"\u003eProfessionals trust the Naniwa Chosera series for its fast cutting speed, consistent abrasive performance, and outstanding durability. The SS-400 serves as an excellent starting point in a complete sharpening progression, delivering efficient edge restoration while laying a precise foundation for finer sharpening and polishing stages.\u003c\/p\u003e\n\n\u003chr data-end=\"3092\" data-start=\"3089\"\u003e\n\u003ch2 data-end=\"3115\" data-section-id=\"6jvphn\" data-start=\"3094\"\u003eCare \u0026amp; Maintenance\u003c\/h2\u003e\n\n\u003cp data-end=\"3535\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"3117\"\u003eUse clean water as the sharpening lubricant before and during sharpening. Rinse the stone thoroughly after each use to remove metal particles and abrasive residue, then allow it to dry naturally before storage. Periodically flatten the sharpening surface to maintain consistent contact and optimal sharpening accuracy. Store the stone in a clean, dry environment to maximize its long term performance and service life.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n","brand":"Culinary Supplies","offers":[{"title":"Default Title","offer_id":46513581260997,"sku":"7e267768-f645-4c76-97dd-97804ec858fe","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/5293\/9205\/files\/deaa9ab9d28ec4c5580e844653a2b27f_69fa4752-fa6b-40c2-a6f4-f8502874462a.jpg?v=1783588446","url":"https:\/\/culinarysupplies.com\/products\/naniwa-chosera-whetstone-ss-400-grit-400","provider":"Culinary Supplies","version":"1.0","type":"link"}