{"product_id":"natural-whetstone-ohira-uchigumori-2780g-26506","title":"Natural Whetstone Ōhira Uchigumori 2780g | Made in Japan, Kyoto, Shohonyama","description":"\u003cp\u003eShohonyama Ōhira Uchigumori Renge Japanese Natural Whetstone – 2,780g\u003cbr\u003e\nApprox. 220 × 80 × 66 mm\u003c\/p\u003e\n\u003cp\u003eA rare, extra-thick #24 size Uchigumori natural whetstone from the legendary Ōhira mine in Kyoto, Japan.\u003c\/p\u003e\n\u003cp\u003eThis exceptional piece features beautiful and distinct Renge (lotus blossom) patterns throughout the stone, making it both a high-performance sharpening tool and a highly desirable collector's specimen.\u003c\/p\u003e\n\u003cp\u003eŌhira Uchigumori stones are highly revered and have traditionally been used in the final stages of Japanese sword polishing. They are world-renowned for producing a flawless, misty Kasumi finish that beautifully accentuates the Hamon (temper line) and Jihada (forged steel grain pattern).\u003c\/p\u003e\n\u003cp\u003eSpecifications \u0026amp; Features\u003c\/p\u003e\n\u003cp\u003eOrigin: Shohonyama, Ōhira Mine (Kyoto, Japan)\u003c\/p\u003e\n\u003cp\u003eType: Uchigumori Renge (Lotus Blossom Pattern)\u003c\/p\u003e\n\u003cp\u003eFormat: #24 Extra-Thick Block\u003c\/p\u003e\n\u003cp\u003eDimensions: Approx. 220 × 80 × 66 mm\u003c\/p\u003e\n\u003cp\u003eWeight: 2,780 g\u003c\/p\u003e\n\u003cp\u003eHardness: Medium to Semi-Hard\u003c\/p\u003e\n\u003cp\u003eCondition: Unused vintage stock\u003cbr\u003e\n(Requires initial lapping\/flattening before use)\u003c\/p\u003e\n\u003cp\u003eSuji (Lines): Minimal and completely safe for sharpening\u003c\/p\u003e\n\u003cp\u003eProtection: Sides and bottom sealed with Ishisan premium water-based protective lacquer\u003c\/p\u003e\n\u003cp\u003ePerformance \u0026amp; Application\u003c\/p\u003e\n\u003cp\u003e• Traditional finishing stone for Japanese sword polishing\u003c\/p\u003e\n\u003cp\u003e• Produces an elegant and highly refined Kasumi finish\u003c\/p\u003e\n\u003cp\u003e• Enhances visibility of the Hamon and Jihada\u003c\/p\u003e\n\u003cp\u003e• Excellent for premium kitchen knives and high-end cutlery\u003c\/p\u003e\n\u003cp\u003e• Suitable for woodworking chisels (Nomi) and plane blades (Kanna)\u003c\/p\u003e\n\u003cp\u003e• Smooth sharpening feel with excellent polishing performance\u003c\/p\u003e\n\u003cp\u003eRecommended For\u003c\/p\u003e\n\u003cp\u003eJapanese Sword Polishing\u003cbr\u003e\nTraditional restoration and finishing work for Nihonto and other fine blades.\u003c\/p\u003e\n\u003cp\u003eKitchen Knives\u003cbr\u003e\nAchieving a premium Kasumi finish on carbon steel and laminated knives.\u003c\/p\u003e\n\u003cp\u003eCarpentry Tools\u003cbr\u003e\nPrecision polishing for chisels, plane irons, and other woodworking tools.\u003c\/p\u003e\n\u003cp\u003eCollectors\u003cbr\u003e\nA rare, investment-grade specimen from one of Kyoto's most famous natural stone mines.\u003c\/p\u003e\n\u003cp\u003eCollector's Note\u003c\/p\u003e\n\u003cp\u003eLarge, extra-thick Ōhira Uchigumori stones with strong Renge patterning have become increasingly difficult to obtain. Pieces of this size and condition are seldom encountered on today's market.\u003c\/p\u003e\n\u003cp\u003eIts impressive dimensions, substantial 2,780 g weight, and beautiful natural characteristics make this a standout example for both practical use and long-term collection.\u003c\/p\u003e\n\u003cp\u003eAuthentic Shohonyama Ōhira Uchigumori Renge.\u003cbr\u003e\nRare extra-thick #24 size specimen with beautiful lotus blossom patterning.\u003cbr\u003e\nMassive 2,780 g natural whetstone from Kyoto, Japan.\u003cbr\u003e\nA premium collector-grade and professional-use Japanese natural finishing stone.\u003c\/p\u003e","brand":"DAIKUDOU","offers":[{"title":"Default Title","offer_id":44564344373290,"sku":null,"price":2180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/5787\/8570\/files\/il_fullxfull.7260472180_259v_194b670d-5f0a-45ac-9546-6f8c91a07b1e.jpg?v=1783923944","url":"https:\/\/daikudou.com\/products\/natural-whetstone-ohira-uchigumori-2780g-26506","provider":"DAIKUDOU","version":"1.0","type":"link"}