You can find Soft and Hard Arkansas stones in a Grit Chart

(Sirius Stone Set)

it does not affect the sharpening

Attachment for ice auger blades

arkansas grey polisher edge pro You can find Soft andArkansas Grey Polisher sharpening stones are used for finish sharpening knives on Hapstone and Edge Pro knife sharpeners. Arkansas Grey Polisher stones are mounted on high quality aluminum blanks. The estimated grit for Arkansas Grey Polisher is 8000 JIS. Arkansas Grey Polisher 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).