Ratchet, Air Powered, Air Consumption 4 cfm, Air Inlet 1/4 in NPT, Air Pressure 90 psi, Max. Air Pressure 90 psi, Min. Air Pressure 90 psi, Min. Hose Size 3/8 in, Exhaust Location Side, Drive Size 1/2 in Square, Retainer Type Ball Detent, Free Speed 225 RPM, Fastening Torque 70 ft-lb, Duty Rating Industrial Duty, Tool Brand Chicago Pneumatic, Overall Length 10 7/8 in, Side to Center 3/4 in, Tool Weight 2.7 lb