{"product_id":"binsui-toma-nagura-1500","title":"Amakusa Kumamoto Binsui (#1500) Tomo Nagura","description":"\u003cp\u003e\u003cstrong\u003eClassification\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOrigin: \u003c\/strong\u003eAmakusa Islands, Kumamoto Prefecture, Kyushu, Japan.\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Binsui-to (備水砥) \/ Amakusa.\u003cbr\u003e\u003cstrong\u003eRole:\u003c\/strong\u003e Tomo Nagura \/ Slurry Stone (Medium\/Pre-finishing stage).\u003cbr\u003e\u003cstrong\u003eGrit Equivalence:\u003c\/strong\u003e comparable to ~#1,000–#1,500 synthetic. (Medium grit \/ Chu-to).\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDescription \u0026amp; Physical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 40mm x 35mm x 32mm\u003cbr\u003eWeight: 105g (cuboid format).\u003cbr\u003e\u003cstrong\u003eVisual Characteristics:\u003c\/strong\u003e Distinctive banded stratification displaying pale cream\/off-white quartz-rich matrix interlayered with warm terracotta and iron-oxide \"tiger stripe\" (Tora-to) sediment patterns.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eStamps \u0026amp; Markings:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eTop Face:\u003c\/strong\u003e inspection stamp 響 (Hibiki \/ Echo).\u003cbr\u003e\u003cstrong\u003eSide Face:\u003c\/strong\u003e Square grade stamp 中砥 #1500 (Chū-to \/ Medium stone #1500).\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eEvaluation \u0026amp; Performance Profile\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eHardness \u0026amp; Density: \u003c\/strong\u003eMedium-hard (approx. Lv 3 to 3.5). Holds form well under light-to-moderate rubbing pressure.\u003cbr\u003e\u003cstrong\u003eAbrasive Action:\u003c\/strong\u003e Friable sedimentary quartz\/silica grains break down smoothly under friction, producing a uniform, milky slurry. It functions exceptionally well to condition hard base stones, accelerate sharpening on medium\/pre-finish naturals, or clean steel swarf and loaded surfaces.\u003cbr\u003e\u003cstrong\u003eScratch Pattern \u0026amp; Finish: \u003c\/strong\u003eLeaves a soft, even, scratch-free matte kasumi haze across softer cladding (iron\/damascus) while establishing a clean, toothy micro-bevel on high-carbon core steels.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Dust Bowl Knives","offers":[{"title":"Default Title","offer_id":48027062075523,"sku":null,"price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/7320\/1283\/files\/BinsuiTomaNagura_1500.png?v=1788011864","url":"https:\/\/dustbowlknives.com\/products\/binsui-toma-nagura-1500","provider":"Dust Bowl Knives","version":"1.0","type":"link"}