This Ingersoll rand air ratchet wrench is excellent for running fasteners in confined areas. Excellent tool for body shop repair work, under-dashboard work and many other jobs. Rear exhaust directs air away from your work. Lever throttle. Head yoke is hardened to prevent spreading common to ordinary air ratchets. Drive (in.): 1/4, Speed - No Load (RPM): 200, Average Air Consumption (CFM): 2 1/2, CFM at Load: 15, Max. Torque (ft.-lbs.): 20, Variable Speed: Yes, Reversible: Yes, Inlet Size (in.): 1/4, Min. Hose Size (in.): 1/4, Case Included: No, Tool Weight (lbs.): 1 1/8, Tool Length (in.): 6 1/2