Mikawa Shiro Nagura Koma Tokyu(superb grade) 3.2oz. (90g) Japanese Natural Sharpening Stone
Mikawa Shiro Nagura Koma Tokyu(superb grade) 3.2oz. (90g) Japanese Natural Sharpening Stone
Mikawa Shiro Nagura Koma Tokyu(superb grade) 3.2oz. (90g) Japanese Natural Sharpening Stone

Mikawa Shiro Nagura Koma Tokyu(superb grade) 3.2oz. (90g) Japanese Natural Sharpening Stone

Regular price $198.00 Sale price $185.00 Save $13.00
/
Shipping calculated at checkout.

Only 1 items in stock!

Mikawa Shiro Nagura Koma Tokyu(superb grade) 3.2oz. (90g) Japanese Natural Sharpening Stone

Approximately 50mmx50mmx25mm

It is pretty nice shape, color, and lines.

It has Tokyu stamp on the stone which means superb quality.

Koma, Mejiro, and Tenjyo are fine grit layers of Mikawa Shiro Nagura.

Koma is used for Samurai Sword polishing traditionally, and it has been harder and harder to get in.

According to Dr. Kuniichi Tawara who is a Metallurgy doctor, and very famous Japanese sword researcher, Koma molecule is 10 to 20 microns.

It should be good for right before starting the fine grit sharpening.

For razor sharpening, it is used one process before sharpening by fine grit whetstone like Nakayama, Ozuku, Wakasa, etc.