{"product_id":"ipponmatsu-daitsuki-401574id","title":"Ipponmatsu Tomae Daitsuki #401574id","description":"\u003cp\u003eIpponmatsu Tomae Daitsuki \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMine \u0026amp; Geological Origin:\u003c\/strong\u003e Ipponmatsu , located in the Western\/Tanba (Nishimono) mining district of Kyoto.\u003cbr\u003e\u003cstrong\u003eStratum \u0026amp; Type:\u003c\/strong\u003e Tomae stratum, classified as an Awasedo  finishing stone.\u003cbr\u003eForm Factor \u0026amp; Dimensions: Razor \/ chisel hone (kamisori-toishi format) mounted on a custom wooden base (daitsuki); 160 mm length × 30 mm width × 25 mm total height (stone thickness measures approximately 8–10 mm across the bed); total weight is 271 g including base.\u003cbr\u003e\u003cstrong\u003eColoration \u0026amp; Visual Features:\u003c\/strong\u003e Muted greenish-grey Asagi \/ pale olive ground with prominent diagonal reddish-purple Yake (iron oxidation \/ baked cloud) banding running across the center of the honing face; shop seal (Hibiki) stamped cleanly on the wooden base.\u003cbr\u003e\u003cstrong\u003eGrit \u0026amp; Fineness Rating: \u003c\/strong\u003eApproximately #6,000–#8,000 JIS equivalent; produces an aggressive, refined working edge with high polish potential on tool steel.\u003cbr\u003e\u003cstrong\u003eHardness \u0026amp; Density:\u003c\/strong\u003e Level 3.5 to 4.0; firm structure with sufficient self-slurry generation under light pressure, eliminating the absolute necessity of a diamond plate or nagura to start cutting.\u003cbr\u003e\u003cstrong\u003eSurface Inclusions \u0026amp; Flaws:\u003c\/strong\u003e\u003cbr\u003eLinear diagonal color demarcation (Yake seam) across the face; visually striking, non-structural, and flush with the matrix with no toxic quartz\/silica feel (kesuji).\u003cbr\u003eMinor natural crust\/bark and irregular saw cut visible on the far end face where the stone meets the wooden mount.\u003cbr\u003eThin stone profile (approx. 8–10 mm depth above the wood), making the dai mounting essential to prevent lateral fracture under downward pressure.\u003cbr\u003eNarrow 30 mm track width, restricting standard push-pull strokes for broad kitchen cutlery; primarily optimized for straight razors, pocket knives, carving gouges, and woodworking joinery tools.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Dust Bowl Knives","offers":[{"title":"Default Title","offer_id":67620944773251,"sku":null,"price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/7320\/1283\/files\/37_27f401e2-34c0-4384-b274-b0fca88e0a4a.png?v=1790763505","url":"https:\/\/dustbowlknives.com\/products\/ipponmatsu-daitsuki-401574id","provider":"Dust Bowl Knives","version":"1.0","type":"link"}