This Shobudani Japanese natural sharpening stone is an individual piece for the precise finishing of blades. Mined in the Kyoto region, it has its own geometry, weight, and sharpening behavior: the description corresponds exactly to the stone photographed.

Large stone producing a dense, black sharpening mud. It is suitable for finishing forged blades, honyaki knives, and Japanese swords.

Natural stones have their own unique veins, nuances, and characteristics. Examine the photographs of the piece before purchase and use a sharpening method adapted to natural stones.