Steelman Butterfly Impact Wrench with a 3/8" square drive offers a maximum torque of 75 ft./lb. with a free speed of 10,000 RPM. This air wrench features a streamlined housing for greater access into tight areas, and the 1/4" air inlet (for 3/8" hose) swivels 360 for easy maneuvering. This unit features a built-in regulator and offers low air consumption (3 CFM), measuring 5-1/2" in overall length.