These superior stones use micronized monocrystalline diamond grit which is permanently bonded to a stiff plate, enabling them to cut faster, last longer, and stay flat. The diamond grit used on these stones is hard enough to sharpen carbide and any hard tool steel. One side has Fine (800) grit and the other has Super Fine (1400 grit). No fluid is required during use. Can be used wet using water as a cutting lubricant or dry . The stone measures 2" by 6".
