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

Thick stone producing a dark sharpening slurry. It is suitable for finishing forged Japanese tools.

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