CG100PIntegral Drill Rod & Chisel Bit Pneumatic Grinder Mobile, lightweight pneumatic grinder For frontal and gauge grinding of integral drill rod and chisel bit CE certificate is available There are 2 kinds of attached grinding wheels:ceramic and diamond. Technical dataAir pressure 5-7 bar Air consumption 32L/s. Rated power(motor) 1.47km Idling speed 4200 r.p.m Dimensions(H*W*D) 600*500*300mm Grinding wheel dimension 125*36*32mm Cutting-edge radius 80mm Cutting-edge angle 110° Weight inclusive of grinding wheel 30kg