Die Grinder Duty Heavy Duty Horsepower 1.4 hp Collet Size 1/4 in Grinder Orientation Extended Air Inlet Connection Size 1/4 in Air Inlet Gender Female Max Speed 18 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Female Tool Style Straight Extended Kit Contents (1) Bare Tool Includes (2) Collet Wrenches Grip Style Barrel Grip Safety Features Locking Throttle Lever Switch Location Top Power Source Air Powered