DeWalt DCF922N Cordless Brushless 1 2" Square Drive Impact Wrench 20V XR Li Ion DCF922 ( Bare tool only ) Bosch HD Corded Tools The large capacity The large capacity } > Part Number Reference New Part Number Grit Size Old Part Number 2608900671 80 2608621144 2608900672 100 2608621145 2608900673 120 2608621146 2608900674 150 2608621147 2608900675 180 2608621148 2608900676 220 2608621149 2608900677 240 2608621150 2608900678 320 2608621151 2608900679 400 2608621152 Voltage 18V 20V Battery type XR Li ion No load speed 0 2500 min 1 Impact rate 0 3550 min 1 Max tightening torque 406 Nm Max breakaway torque 610 Nm Motor Type Brushless Anvil 1 2" The lightweight design gives the trade access into confined areas around the site plus the 1 2 square drive with detent pin allows quick socket changes