This Ingersoll Rand air impact wrench features a powerful 7-vane motor. Titanium hammercase is lightweight and durable. Ergonomic chainsaw handle and grip offers control and comfort in use. U.S.A. Impacts Per Minute (IPM): 950, Tool Weight (lbs.): 14, Noise Level (dB): 103.8, Min. Hose Size (in.): 1/2, Average Air Consumption (CFM): 12, CFM at Load: 58, Drive (in.): 1, Tool Length (in.): 15 3/8, Speed - No Load (RPM): 6,800, Working Torque (ft.-lb.): 150-1,000, Variable Speed: Yes, Max. Torque (ft.-lbs.): 1,650, Inlet Size (in.): 1/2, Standard Bolt Capacity (in.): 1 1/4, Reversible: Yes