The M18ONEFHIWF12-0X Impact Wrench (Bare Unit) provides up to 1,200 ft-lbs of nut-busting torque and 1,800 ft-lbs of fastening torque, making it an ideal choice for heavy-duty applications. This tool is powered by Milwaukee's REDLITHIUM battery technology, giving it up to 2X run-time and increased speed and torque.