Die Grinder Duty Medium Duty Horsepower 0.3 hp Collet Size 1/4 in Grinder Orientation Straight Air Inlet Connection Size 1/4 in Air Inlet Gender Female Max Speed 30 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Female Tool Style Straight Kit Contents (1) Bare Tool Includes 1/4 in Collet 6mm Collet Switch Location Bottom Power Source Air Powered