Die Grinder, Duty Heavy Duty, Horsepower 0.5 hp, Collet Size 1/4 in, Grinder Orientation Angle, Air Inlet Connection Size 1/4 in, Air Inlet Gender Female, Max. Speed 12,000 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 Series 300 Collet, 11/16 in Flat Wrench, 31 in L Exhaust Hose, 7/16 in Flat Wrench, Safety Features Safety Lever, Switch Location Top, Power Source Air Powered