The eraser will clean the surface

Boride T2 1200 Hard bonding aluminum oxide stone set for experienced users

The weight is 7

Tsushima is natural stone with estimated grit approximately 5000 JIS

translucent arkansas whetstone for edge pro The eraser will clean theDan's Whetstone Arkansas sharpening stones are used for sharpening knives on Hapstone and Edge Pro sharpeners. Arkansas stones are made of novaculite, a naturally abrasive material of high density. All Dan's stones have a thickness of 6 mm and are mounted on high quality aluminum blanks with laser engraving. Arkansas stones are mined in the Ouachita Mountains in the state of Arkansas in the United States. Arkansas stones consist of silica, but unlike