{"type":"firestarter.listing","listing":{"id":"lst_ULZmhj8y","product_name":"Suehiro Ouka 3k Finishing Soaking Whetstone","category":"Knife Accessories","description":"Suehiro Ouka #3000 Grit Finishing Whetstone\nThe Suehiro Ouka #3000 is a premier professional-grade finishing stone designed to bridge the gap between medium sharpening and final polishing. Handcrafted in Niigata, Japan, this vitrified ceramic soaking stone is renowned for its silky-smooth feedback and fast cutting speed, making it an essential tool for chefs and sharpening enthusiasts alike.\nWhy Professionals Choose the Suehiro Ouka\n\n\nRefined Satin Finish: Delivers a beautiful 3k satin polish that enhances blade aesthetics and creates a \"toothy\" edge perfect for kitchen tasks.\n\nSuperior Feedback: Unlike \"glassy\" synthetic stones, the Ouka provides exceptional tactile feedback, allowing you to feel the edge as you sharpen.\n\nKasumi Enhancement: Specifically engineered to highlight the contrast between hard core steel (Hagane) and soft cladding (Jigane), ideal for traditional Japanese knives.\n\nRapid Slurry Production: Its medium-soft bond quickly develops a rich abrasive paste (slurry) that facilitates faster metal removal and more uniform finishing.\n\nTechnical Specifications\n\n\nGrit Level: #3000 (Medium-Fine Finishing)\n\nStone Material: Vitrified Ceramic (White Aluminum Oxide)\n\nStone Dimensions: 8.11\" x 2.87\" x 0.91\" (206mm x 73mm x 23mm)\n\nWeight: Approximately 2.0 lb (900g)\n\nJAN Code: 4966684010062\n\nOrigin: Niigata, Japan\n\nWhat’s in the Box?\n\nSuehiro Ouka #3000 Whetstone\n\nNon-Slip Base Stand: Provides a stable and safe platform for precision sharpening.\n\nNagura Dressing Stone: A small cleaning stone used to maintain surface flatness and pre-condition the slurry.\n\nUsage &amp; Care\nThe Ouka is a soaking stone and should be submerged in clean water for 5–10 minutes before use. To maintain peak performance, regular flattening with a diamond plate or flattening stone is recommended. Store in a cool, dry place away from direct sunlight after air-drying.","images":["https://cdn.shopify.com/s/files/1/0602/6720/0736/products/suehiro-ouka-3k-finishing-soaking-whetstone-805601.jpg?v=1702910565"],"price":45,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:32.089Z"},"share_url":"https://firestarter.network/l/lst_ULZmhj8y","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_ULZmhj8y' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Suehiro Ouka 3k Finishing Soaking Whetstone' and a budget_max comfortably above $45.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}