Features:_x000D_ _x000D_ Made of high quality material, wear resistance, long service time. _x000D_ Designed to grind carbide and hard steel, stone, metal and other processing and polishing. _x000D_ High grinding efficiency, smooth, unbroken edges, will not produce tremor. _x000D_ Mainly used in alloy knife, saw blade, saw tooth processing and grinding. _x000D_ Can processing tungsten steel, quenching processing steel, special hard brittle materials grinding. _x000D_ _x000D_ Specification:_x000D_ Material: Diamond, Resin _x000D_ Weight: 75g/2.6oz_x000D_ Binder: resin grinding wheel _x000D_ Grit: 150#_x000D_ Shape: round_x000D_ Process: sintering _x000D_ Outer diameter: 80mm/3.1inch_x000D_ Bore diameter: 16mm/0.6inch_x000D_ _x000D_ Package List:_x000D_ 1* Diamond Grinding Wheel