Mikawa Nagura 874g For optimal performance

For optimal performance

Requires mounting onto a flat surface

As for speed

the performance of the stone for burnishing details is superior without slurry

This particular stone is very hard and does not readily shed abrasive

Mikawa Nagura 874g For optimal performanceMikawa Nagura are 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 recommend end users flatten the