Mikawa Nagura 1337g Dimensions: 205 x 75 x

Dimensions: 205 x 75 x 13mm (8mm abrasive layer)

We receive the stones from the wholesaler with rough chisel marks on both sides

Weight: 1165g

and flatten them in our workshop

Mikawa Nagura 1337g Dimensions: 205 x 75 xMikawa 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