Ratchet Air Powered Air Consumption 4 cfm Air Inlet 1/4 in NPT Female Air Pressure 90 psi Max Air Pressure 90 psi Min Air Pressure 90 psi Min Hose Size 3/8 in Exhaust Location Rear Drive Size 1/2 in Square Retainer Type Ball Detent Free Speed 220 RPM Fastening Torque 65 ft-lb Duty Rating Industrial Duty Tool Brand Ingersoll Rand Overall Length 11 in Side to Center 1 1/2 in Standards All gov regulations and FDA certified Tool Weight 3.1 lb