The AME International Air Power Buddy (APB) 1/2" Air Impact Wrench, No. 79700, has a 1/2" drive, a 2" extended anvil, a 1/4" air inlet, and weighs 5.9 lbs. It has a maximum torque (reverse) is 600 ft-lbs, a working torque range between 50 and 450 ft-lbs, and a free speed of 8,000 rpm. This impact wrench also features a twin hammer mechanism, a handle exhaust, and five power settings.