Die Grinder Duty Heavy Duty Horsepower 0.4 hp Collet Size 1/4 in Grinder Orientation Straight Air Inlet Connection Size 1/4 in Air Inlet Gender Male Max Speed 20 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Male Tool Style Straight Kit Contents (1) Bare Tool Includes Bearing Flange F/L and Hose Magnet Sleeve Safety Stop Mechanisms None Anti-Kickback Clutch Type None Power Source Air Powered