Mikawa Nagura 1337g Dimensions: 230mm x 73mm x

Dimensions: 230mm x 73mm x 40mm (Largest dimensions)

Please contact us by email if other grit sizes are desired

This is a novelty product

Dimensions: 228mm x 80mm x 51mm

Can be mixed with alcohol to create a diamond spray for stropping

Mikawa Nagura 1337g Dimensions: 230mm x 73mm 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