Specification: 1.ST0702-M Multipler 2.voltage:110V/230V,power:180W 3.21000rpm 4.CE,EMC,GS,ZZ9501 We have the following workshops: 1. Workshop 1: diamond electroplated products: diamond burrs, diamond files, diamond stone sharpeners, diamond electroplated cutting discs, diamond grinding discs, diamond resin grinding wheels, etc. 2. Workshop 2: tungsten carbide burrs: inch size and metric size, all ...