Edge Series, 3/8", Air Ratchet Wrench, Powerful Motor Delivers 55FT/LB Of Maximum Torque & 170 RPM Of Free Speed, Twin Pawl Plus Head Design, Heat Treated Ratchet Head Ensures A Longer Life, Ergonomic Grip Provides Better Comfort, Keeping You On The Job & Finishing Tasks Quickly, Can Be Used In A Broad Range Of Applications Where Light Disassembly & Assembly Of Products Within Tight Spaces Is Necessary, Such As General Engine Repair, Home Projects & Light Industrial Work.