Die Grinder Duty Heavy Duty Horsepower 0.4 hp Collet Size 1/4 in Grinder Orientation Right Angle Air Inlet Connection Size 1/4 in Air Inlet Gender Female Max Speed 20 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Female Tool Style Right Angle Kit Contents (1) Bare Tool Includes Collet Wrenches Anti-Kickback Clutch Type None Power Source Air Powered