Hilti SIW T-A 22-Volt 1/2 in. High Torque Cordless Impact Wrench Kit with 4.0 Lithium -Ion Battery Pack, Charger and Bag 3497769 - The Home Depot
Hilti - SIW 8-22 1/2" CORDLESS IMPACT WRENCH "This new impact wrench features two torque settings of 443 ft-lbs and 738 ft-lbs. Weighing in at 5.3 lbs for the bare tool." says
Hilti Nuron SIW 4AT-22 Impact Wrench - Features and Benefits - YouTube