High-quality air impact wrench tackles the big jobs in the shop. Rubber grip for added comfort and vibration dampening. Drive (in.): 3/8, Average Air Consumption (CFM): 2.8, Speed - No Load (RPM): 10,000, Max. Torque (ft.-lbs.): 200, Inlet Size (in.): 1/4, Min. Hose Size (in.): 3/8, Variable Speed: Yes