Ratchet Air Powered Air Consumption 3 cfm Air Inlet 1/4 in NPT Air Pressure 90 psi Min Hose Size 5/16 in Exhaust Location Bottom Drive Size 3/8 in Square Retainer Type Ball Detent Free Speed 240 RPM Fastening Torque 18 ft-lb Duty Rating General Duty Tool Brand SPEEDAIRE Overall Length 5 1/2 in Tool Weight 0.9 lb