aluminum oxide

T1 Angle Guide slides on the surface of your working table and does not damage the sharpening stone

India stones are made of oil-treated aluminum oxide

Tsushima is natural stone with estimated grit approximately 5000 JIS

arkansas translucent stone kmex aluminum oxideDan's Whetstone Translucent Arkansas sharpening stones are used for finish sharpening knives on KME or Hapstone knife sharpeners. Arkansas stones are made of novaculite, a naturally abrasive material of high density. Arkansas stones are mined in the Ouachita Mountains in the state of Arkansas in the United States. Arkansas stones consist of silica, but unlike synthetic abrasives, do not consist of individual abrasive grains of the same size. Arkansas