The Ingersoll Rand W3151 IQV20 Cordless Compact 1/2" Impact Wrench features a 1/2” square anvil size for use with impact-rated sockets. With 450 ft-lbs of breakaway torque, 320 ft-lbs of fastening torque, 2,800 rpm, and 4,200 bpm, the impact wrench is designed to quickly complete demanding applications. Its 5.3” tip-to-tail length and compact size make this tool ideal for accessing tight spaces while reducing fatigue. It also features an overmolded ergonomic grip, a patented 360-degree LED shadowless light ring, three speed options with a variable speed trigger, and impact-resistant bumpers on upper and lower housing.