This rugged Ingersoll Rand air impact wrench delivers 375 ft.-lbs. of torque. Drive (in.): 1/2, Speed - No Load (RPM): 7,400, Average Air Consumption (CFM): 4.3, CFM at Load: 24, Working Torque (ft.-lb.): 25 - 200, Max. Torque (ft.-lbs.): 450, Variable Speed: Yes, Standard Bolt Capacity (in.): 1/2, Inlet Size (in.): 1/4, Min. Hose Size (i
