Narutaki Koppa High Quality Nakayama 1kg

Narutaki Koppa from Nakayama mountain.

This stone is the best stone among all of the natural finishing polishing stones.
It cuts the steel effectively and the particle is fine (It is finer than other finishing stones.).
If you make Jizuya form this stone, you can do the best JIOKOSHI which is very important in polishing Japanese swords,

Also, this stone is effective to polish carving knives or any other small knives.
It will make a sharp edge and the sharpness will last long.

This picture is a sample.
We will send different shaped and sized stones.
Narutaki Koppa High Quality Nakayama 1kg

Price: 6,000yen