Ratchet Air Powered Air Consumption 16 cfm Air Inlet 1/4 in NPT Female Air Pressure 90 psi Max Air Pressure 90 psi Min Air Pressure 50 psi Min Hose Size 3/8 in Exhaust Location Rear Drive Size 1/4 in Square Retainer Type Ball Detent Free Speed 350 RPM Fastening Torque 30 ft-lb Duty Rating General Duty Tool Brand SPEEDAIRE Overall Length 5 1/4 in Side to Center 9/16 in Tool Weight 0.9 lb