{"product_id":"shobudani-tomae-h_s40_bu_002","title":"Shobudani  Tomae Awasedo H_S40_BU_002","description":"\u003cp\u003e\u003cstrong\u003eShoubudani Tomae Awasedo 菖蒲谷合砥 \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClassification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMine \/ Origin:\u003c\/strong\u003e Shoubudani (菖蒲谷), Kyoto Eastern mining district (stamped: 菖蒲谷合砥 \/ Shoubudani Awasedo).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLayer (Strata):\u003c\/strong\u003e Tomae (戸前), specifically leaning towards Kiita \/ Nashiji Tomae.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat \/ Size Stamp:\u003c\/strong\u003e 40-Gata format (stamped: 四十抜 \/ 40-cut bench stone size), measuring approximately 205 mm × 76 mm × 33 mm  mm (standard full-sized bench stone). weight: 1189g.\u003c\/p\u003e\n\u003cp\u003eColor \/ Character: Warm Kiita \/ light mustard-yellow tone with fine iron-speckling (Nashiji \/ pear-skin pattern) concentrated across the left quadrant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription \u0026amp; Working Characteristics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHardness (Estimated):\u003c\/strong\u003e Lv 3.5 to 4 . Typical Shoubudani Tomae of this density offers a very smooth, fine, glass-like glide with minimal self-slurrying, benefiting from a diamond plate or Mikawa nagura to start the mud.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFineness \/ Grit: \u003c\/strong\u003eApprox. comparable to 8,000–10,000+ synthetic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication: \u003c\/strong\u003eOutstanding for kitchen knives, straight razors, high-end woodworking edges (chisels, plane blades), and final micro-bevel refinement. Leaves a bright, semi-mirror to mirror core with well-controlled contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlaws \u0026amp; Structural Observations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBack Surface (Kawa):\u003c\/strong\u003e The underside retains its natural rough quarry bark \/ skin (kawa), with mineralized orange-brown matrix. It will benefit from lacquering\/cashew sealing along the sides and bottom to lock in loose layers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorking Face (Top):\u003c\/strong\u003e Extremely clean and flat with no toxic lines, hard quartz veins, or chipping. A subtle, benign diagonal grain run is visible across the middle, but it is purely cosmetic and seamless under a blade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerimeter \u0026amp; Edges:\u003c\/strong\u003e Straight factory saw cuts on the sides, clean squared corners, with slight raw step-off on the bottom rear edges typical of natural-back stones.\u003c\/p\u003e","brand":"Dust Bowl Knives","offers":[{"title":"Default Title","offer_id":48010379231363,"sku":null,"price":480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/7320\/1283\/files\/ShobudaniH_S40_BU_0021.png?v=1787843051","url":"https:\/\/dustbowlknives.com\/products\/shobudani-tomae-h_s40_bu_002","provider":"Dust Bowl Knives","version":"1.0","type":"link"}