Each shell is hand-curried and shaved by highly skilled artisans to expose the shell

All Gokumyo stones are 5-6 mm thick

the angle of the horizontal shaft changes

Optimal Diamond

suehiro gokumyo for edge pro Grit:20000 Each shell is hand-curried andGokumyo Sharpening Stones are used for sharpening knives on Hapstone and Edge Pro knife sharpeners. All Gokumyo stones are 5 6 mm thick, 20 22 mm wide, and are mounted on high quality aluminum blanks. Gokumyo is the high end line of sharpening stones by Suehiro. Gokumyo stones are universal and can be used to sharpen knives of any steel including high carbon, vanadium, and chromium steels. Gokumyo is preliminarily lapped and does not require lapping