Die Grinder Duty Medium Duty Horsepower 0.4 hp Collet Size 1/4 in Grinder Orientation Straight Air Inlet Connection Size 1/4 in Air Inlet Gender Female Max Speed 21 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Female Tool Style Straight Kit Contents (1) Bare Tool Includes 1/4 in Erickson Collet Case Included Yes Grip Style Barrel Grip Material Application Steel Safety Stop Mechanisms Mechanical Brake Anti-Restart Technology No Anti-Kickback Clutch Type None