Die Grinder Duty Heavy Duty Horsepower 0.5 hp Collet Size 1/4 in 6mm Grinder Orientation Right Angle Air Inlet Connection Size 1/4 in Air Inlet Gender Female Max Speed 15 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Female Tool Style Right Angle Kit Contents (1) Bare Tool Includes 1/4 in Collet Insert 6mm Collet Insert Safety Stop Mechanisms Safety-Lock Throttle Lever Safety Features Safety Lock Lever Anti-Restart Technology Yes Anti-Kickback Clutch Type None