Hexagonal Boron Nitride (h-BN) is a thermally and chemically resistant refractory compound of boron and nitrogen with the chemical formula BN

it is significantly more effective for deep cutting compared to blades with V-shaped sharpening

there is a thread for a wrench for a strong connection to the holder

Orion 80 (100%)

Apex 3 Edge Pro 120

suehiro gokumyo for kmex Grit:10000 Hexagonal Boron Nitride (h-BN) isGokumyo Sharpening Stones are used for sharpening knives on KME and Hapstone knife sharpeners. Gokumyo stones are 20 22 mm wide and mounted on 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 after purchase. Gokumyo should be used