The M18 FUEL 1/2" High Torque Impact Wrench with Pin Detent, No. 2966-20, from Milwaukee Tool is perfect for technicians who need fastening torque in tight spaces. The M18's POWERSTATE Brushless Motor delivers up to 900 lbs.-ft. of fastening torque and 1,100 lbs.-ft. of nut-busting torque for the most demanding applications. 7.3" long, the robust wrench features a secure battery connection and tri-LEDs around the anvil, while a integrated lanyard loop assists in easy tool transfer and storage. Offering 4-mode DRIVE CONTROL for precision and a range of pre-set RPM and IPM levels from a single button, the M18 also has a 1/2" Pin Detent anvil design for socket retention.