DYNA-PACT oil bath clutch delivers smooth operation and extended durability * One hand push button forward/reverse power regulator. 4 positive power settings. Full power in reverse * Handle exhaust with 360 degree air inlet swivel to prevent hose kinks * Great tool for transmission work, exhaust systems, bench work, body shops and general repair Model Specs Square Drive in.3/8 Working Torque Range ft. lb 40-170 Max Torque @ 90 PSI Reverse ft. lb 200 Free Speed rpm 8500 Length in.6 Avg. Air Consumption cfm 3 Actual Air Consumption @ load cfm 12 Air Inlet Thread Size NPTF in.1/4 Min. Hose Size in.3/8 Sound Pressure dB(A) 94 Vibration m/s² 2.5.