Electric tool, impact wrench, SIW 22-a brushless impact wrench (original and used product) - AliExpress
Hilti SIW 18-A 3/8" CPC Impact Wrench - 3497768 - Power Impact Drivers - Amazon.com
Hilti SIW 22-A and SIW 18T-A Impact Wrenches With Batteries - Roller Auctions
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