Ozuku Iromono Natural Stone Type 40

A Japanese sharpening stone of unmatched quality, sourced from Izariyama, Japan. Its unique mineral composition ensures a razor-sharp edge, while its fine-grained surface allows for precise honing. Versatile and durable, it's a must-have for chefs, woodworkers, and enthusiasts.

Type 40

The type of stone will refer to the overall size and weight of the stone. A smaller number will refer to a larger stone.

(Historically this was in reference to how many stones one could carry at a time. The larger the stone the less of them one could carry.)