Die Grinder Duty Medium Duty Horsepower 0.3 hp Collet Size 1/4 in 6mm Grinder Orientation Straight Air Inlet Connection Size 1/4 in Air Inlet Gender Female Max Speed 25 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Female Tool Style Straight Kit Contents (1) Bare Tool Includes (2) Wrenches 1/4 in Collet 6mm Collet Grip Style Barrel Grip Safety Features Safety Lock Lever Anti-Restart Technology Yes Switch Location Bottom Power Source Air Powered