Air Screwdriver Industrial Duty Clutch Type Adjustable Cushion Torque Range Soft Draw 13 to 35 in.-lb. Free Speed 2000 rpm Pistol Handle Type Trigger Throttle Type 4.0 Average CFM @ 15 Second Run Time 17.0 CFM @ Full Load Air Inlet 1/4 in NPT Required Pressure 90 psi Min Hose Size 1/4 In. Overall Length 8-3/4 In. Hex Bit 1/4 In. Reversible Operation