Diamond Machining Technology (DMT) 12 Inch Dia Sharp Bench Stone Extra Coarse/Coarse with Base (D12CX WB)

Extra-Coarse diamond (60 micron / 220) when significant removal of material is needed for damaged edges; Coarse diamond stone (45 micron / 325 mesh) to quickly restore a neglected edge System allows for 2" knuckle clearance and easy to change and remove the bench stone for quick grit changes Sharpens knives faster than conventional stones with DMT's micronized monocrystalline diamond surface No oil is needed-sharpen dry or with water, Weight: 4.3871990138 Pounds, Manufacturer: Acme United Corporation