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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
The light colour is desirable and the wholesale cost of the stone was increased as a result
#100k polycrystalline diamond powder
however this has not been tested
unless for sharpening
The #1000 has been reformulated for greatly increased hardness and wear resistance
Mikawa Nagura 1843g The light colour is desirableMikawa 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
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