Ohira Natural Polishing Stone #10,000 - #20,000

Quarried  in Kyoto, Japan, these natural stones are rare and quantities are limited. Ideal for putting an extremely polished or refined edge on your knife, these are a must have for any serious sharpener or collector. As a natural stone, grits are impossible to measure accurately, but range between 10,000 and 20,000.

Dimensions: 8.1" x 3.1" x 1.6"H (7.9cm x 20.75cm x 4cm H)

* Sizes and shape may vary slightly as each stone is unique.