{"product_id":"aiiwatani-tomae-daitsuki-447094ad","title":"Aiiwatani Tomae Daitsuki #447094ad","description":"\u003cp\u003e\u003cstrong\u003eAiiwatani Tomae Daitsuki\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOrigin \u0026amp; Formation: \u003c\/strong\u003eWestern Kyoto (Tanba stratum group), specifically the Aiiwatani mine. Stratum is Tomae (finishing layer).\u003cbr\u003e\u003cstrong\u003eForm Factor \u0026amp; Dimensions: \u003c\/strong\u003eIrregular bench koppa mounted on a fitted wooden base (dai). Stone measures approximately 110 mm × 70 mm × 17 mm; total assembly weight is 471 g.\u003cbr\u003e\u003cstrong\u003eGrit \u0026amp; Hardness Range:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eEquivalent grit: \u003c\/strong\u003e#6,000–#8,000 JIS\u003cbr\u003e\u003cstrong\u003eHardness rating:\u003c\/strong\u003e Level 3.5 to 4.0 out of 5 (yielding, self-slurrying, user-friendly feedback)\u003cbr\u003e\u003cstrong\u003eVisual Markings \u0026amp; Stamps:\u003c\/strong\u003e\u003cbr\u003e(Partial) mine stamp\u003cbr\u003eHibiki shop seal\u003cbr\u003eSoft grey-green to beige-tan ground color with natural sediment patterning\u003cbr\u003e\u003cstrong\u003eStructural Notes:\u003c\/strong\u003e\u003cbr\u003eWorking surface is clean with no toxic toxic inclusions (kesuji)\u003cbr\u003eUnworked crust on lateral flanks\u003cbr\u003eRelatively thin working stone (17 mm total thickness, including base mount)\u003c\/p\u003e","brand":"Dust Bowl Knives","offers":[{"title":"Default Title","offer_id":67612748087427,"sku":null,"price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/7320\/1283\/files\/30_79d77996-5aa6-4117-a986-101e98921aa7.png?v=1790684651","url":"https:\/\/dustbowlknives.com\/products\/aiiwatani-tomae-daitsuki-447094ad","provider":"Dust Bowl Knives","version":"1.0","type":"link"}