CP Impact Wrench, Tool/Kit: Bare Tool, Square Drive, 1/2 in Drive, 1200 bpm, 180 to 760 N-m Forward/1085 N-m Reverse, 8400 RPM, 30 cfm, 90 psi Air, 1/4 in Air Inlet, 3/8 in Minimum Hose Size, Steel Housing, Pistol Grip, 104 dBA Power/93 dBA Pressure, 7.9 in Overall Length. CP 6151590570 Impact Wrench, 1/2 in Drive, 180 to 760 N?m Forward/1085 N?m Reverse Torque, 30 CFM Air Flow, 7.9 in OAL