Mikawa Nagura 1860g the price has been reduced

the price has been reduced to 1

It burnishes out grains in the steel nicely

It can be slurried with a diamond plate for ease of use

This particular one is harder than average

This particular stone is hard and not as friable as other examples

Mikawa Nagura 1860g the price has been reducedMikawa Nagura are Tuff stones, a type of igneous rock formed from lithified volcanic ash. Mined in Aichi prefecture starting 700 years ago, they have been used in traditional Japanese sword polishing progressions. The mine has been closed since the 1970s. We receive the stones from the wholesaler with rough chisel marks on both sides, and flatten them in our workshop. Although we have made a good effort to provide a flat surface for usage, we strongly