Cut-Off Tool, Wheel Diameter 3 in, Duty Rating Heavy Duty, Horsepower 1 hp, Max. Speed 18,000 RPM, Air Inlet 3/8 in NPT Male, Air Inlet Connection Size 3/8 in, Air Inlet Gender Male, Air Inlet Type NPT, Exhaust Location Rear, Cut-Off Wheel Orientation Perpendicular, Reach Extended Reach, Kit Contents (1) Bare Tool, Speed Control Safety Lock Lever, Lever Type Safety Lock, Arbor Hole Size 3/8 in, Spindle Diameter 3/8 in, Power Source Air Powered, Air Pressure 90 psi