Die Grinder Duty Heavy Duty Horsepower 0.8 hp Collet Size 1/4 in Grinder Orientation Right Angle Air Inlet Connection Size 3/8 in Air Inlet Gender Female Max Speed 13 000 RPM Air Inlet 3/8 in Female Tool Style Right Angle Kit Contents (1) Bare Tool Includes 1/4 in Collet Holder Safety Features Safety Lever Switch Location Top Power Source Air Powered