Mikawa Nagura 1165g Weight: 1288g

Weight: 1288g

but the price has nevertheless been reduced to 1

we strongly recommend end users flatten the sharpening surface once more with a diamond plate

This particular stone is middle of the road in terms of hardness and friability

For optimal performance

Mikawa Nagura 1165g Weight: 1288gMikawa 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