The only variable speed impact wrench of its kind. Weighing just 6.5 lb, the 7/16 in hex quick-change impact wrench offers a unique combination of high torque, speed and control for heavy duty drilling and bolting applications that require frequent accessory changes. The Milwaukee®-built motor produces upto 315 ft-lb of torque while the variable speed switch provides maximum user control at 1800 rpm it features a 7/16 in hex quick-change retention system for fast yet secure insertion and removal of auger bits and socket adapters. This impact wrench's mid-positioned handle with cushioned grip provides superior balance and user comfort it features an all metal front housing for greater durability on the jobsite and comes with a bracket and ring to make it easy to hoist the tool with a rope or carry it on a belt.