All New Hilti "Nuron" Mid & High-Torque Impacts Put Everyone on Notice - YouTube
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 03482658 SIW 18-A 1/2-Inch 18-volt CPC Cordless Impact Wrench with Resistant Case and 1/2-Inch Square Chuck - Power Milling Machines - Amazon.com