"This air impact wrench delivers the power and performance to tackle tough jobs with ease, including tire rotation, brake jobs, crank pulley bolt removal, and more. Inlet Size in. 1/4, Min. Hose Size in. 3/8, Average Air Consumption CFM 4.2, Max. Reverse Torque ft.-lbs. 590, Tool Weight lbs. 5.8, Working Torque ft.-lb. 25-350, Reversible Yes, Impacts Per Minute IPM 1,200, Tool Length in. 7.3, Noise Level dB 94, Drive in. 1/2, Hammer Mechanism Twin, Forward Torque ft.-lbs. 450, CFM at Load 22, Standard Bolt Capacity in. 9/16, Speed - No Load RPM 8,000. In-handle exhaust directs air away from work area Pressure-fed lubrication system Adjustable power regulation"