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
SIW 6-22 Cordless impact wrench By Hilti
OVERVIEW of Hilti's SIW 22T-A power class cordless high-torque 22V impact wrench - YouTube
Electric tool, impact wrench, SIW 22-a brushless impact wrench (original and used product) - AliExpress
HILTI SIW 18-A 18V CORDLESS IMPACT WRENCH 3/8" with battery and charger | eBay