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