ITEM NAME:1 Set Air Compressor Die Grinder Grinding Polish Stone Kit 1/4 Air Grinder S1P4 1 Set Air Compressor Die Grinder Grinding Polish Stone Kit 1/4 Air Grinder S1P4 No-Load Speed: 22000 r.p.m Average Air Consumption: 6CFM DIY Supplies: Metalworking Professional grinder kit giving complete flexibility for most grinding and polishing needs. With small volume, light weight, high speed, low noise, small gas consumption, high concentricity and so on characteristics, the operation is simple, rapid and convenient. It is widely used in all kinds of mold (shoes mold, tire mold, pen mold, all kinds of high and low voltage electrical appliances, household appliances mould, molded case switches mould, etc.), hardware products (water faucet, zippers, hardware tools and all kinds of complete sets of equipment cabinet, etc.), and glass, stone, handicrafts, ornaments, circuit board manufacturing and so on industry need blank shaping, cutting, grinding and finishing homework. Air Consumption: 6CFM Speed : 22000rpm Recommended Air Supply: 90PSI Air Inlet: 1/4in BSP colour:Blue + black Material:metal size:Grinder length: 170mm Chuck size: 3~6.35mm Package Contents: 1 x Air Die Grinder 2 x Wrench 1 x Collet Chuck 1/8in - 3mm 1 x Collet Chuck 1/4in - 6mm 5 x Shank Stones 1/4in - 6mm 5 x Shank Stones 1/8in - 3mm 1 x 1/4in Bayonet Quick Connect 1 x Carry Case