Die Grinder Duty Heavy Duty Horsepower 1 hp Collet Size 1/4 in 6mm Grinder Orientation Right Angle Air Inlet Connection Size 3/8 in Air Inlet Gender Female Max Speed 18 000 RPM Air Inlet Type NPT Air Inlet 3/8 in NPT Female Tool Style Right Angle Kit Contents (1) Bare Tool Includes 1/4 in Collet 6mm Collet Piped Exhaust Side Handle Wrenches Grip Style Barrel Grip Safety Features Locking Throttle Lever Switch Location Top Power Source Air Powered