M7-QA0115B | M7 15pc Air Die Grinder Set SPECIFICATIONS Collet Size: 1/4 & 1/8 Free Speed: 25000 RPM Air Requirements: 10 CFM / 90 PSI Inlet: 1/4 Overall Length: 155mm Rated Power:0.3HP Net Weight: 0.38kg Sound Pressure: 81.5 dBA Vibration Level: 1.8m/s Content 1pc Die Grinder (M7-QA111B) 1pc 1/8 Collet 1pc 1/4 Collet 2pcs spanner wrench 5pcs 1/8 Shank Mounted Point 5pcs 1/4 Shank Mounted Point 1pc Plug Blow Mould Carry Case