FEATURES Mastercraft 1/2-in Air Impact Wrench is ideal for tire changing, general assembly work and other workshop applications Built in regulator for precise speed & torque control Twin hammer mechanism for balanced impacts and reduced vibrations Requires a CFM of 3.7 @ 90 PSI Delivers 420 ft-lb of torque (7500 RPM)for tightening and removing stubborn nuts and bolts up to 5/8" Includes: 1/4"NPT coupler, Hex Wrenches, Bottle of oil No Load Speed: 7500 RPM Max torque: 420 ft.lb Features both forward / reverse control Screened inlet helps prevent dirt particles from entering air intake Ergonomic design with rubber protective grip Weight: 5.8 lbs (2.5 kg) Air hose: 3/8" (9.53 mm) In great condition