Die Grinder Duty Medium Duty Horsepower 0.5 hp Collet Size 1/4 in Grinder Orientation 120 Degrees Angle Air Inlet Connection Size 1/4 in Air Inlet Gender Male Max Speed 18 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Male Tool Style 120 Degrees Angle Kit Contents (1) Bare Tool Includes (2) Spanner Wrenches Power Source Air Powered