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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Weight: 2030g
Dimensions: 180mm x 62mm x 43mm
Dimensions: 181mm x 64mm x 40mm
This particular stone is hard and not as friable as other examples
The #3000 has been reformulated for greatly increased hardness and wear resistance
Mikawa Nagura 1923g Weight: 2030gMikawa 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