A high quality 1/2" Long Shank Air Impact Wrench * 1/2" Drive * 2" anvil * Free speed: 7000 RPM * Reversible * Air consumption: 4 CFM * Air inlet: 1/4" NPT * Air pressure: 90 psi * Torque: 240 ft. lbs" * Ring socket retainer and bolt-in power regulator * Hose size: 3/8"