DESC: Still the most powerful 1/2" impact wrench on the planet with 800 ft. lbs. of honest torque * Now with 31% less air consumption * With innovative, patented, new motor technology, the Turbo 2.0 accelerates faster with the most torque of any 1/2" impact * 4 position power regulator with 2 settings in forward and 2 in reverse Model Specs Square Drive in.1/2 Working Torque Range ft. lb 50-550 Max Torque @ 90 PSI Reverse ft. lb 800 Free Speed rpm 6200 Length in.7.6 Avg. Air Consumption cfm 6 Actual Air Consumption @ load cfm 31 Air Inlet Thread Size NPTF in.1/4 Min. Hose Size in.3/8 Sound Pressure dB(A) 94 Vibration m/s² 4.4.