Working surface: 152 x 12 x 6 mm (6" x ½" x ¼")

Premium series utilizes CBN grain made in the USA

The estimated grit for Washita #1 is 1000-3000 JIS

Estimated grit for the stone is 8000 JIS

💎Centaur Diamond 240 + 400

bethesda black arkansas medium kme Working surface: 152 x 12Bethesda Black Arkansas sharpening stones are used for sharpening knives on KME and Hapstone knife sharpeners. The estimated grit for Bethesda Black is 2000 JIS. Bethesda Black is part of the Arkansas stone collection made by Jonathan Coe: Mountain View (Coarse), Bethesda Black (Medium), Dota Creek (Fine) and Arkansas Grey Polisher (Ultra Fine). Arkansas stones are mined in the Ouachita Mountains in the state of Arkansas in the United States. Arkansas