Eastvolt 800W Electric Impact Wrench, Heavy Duty 7.5 Amp Corded Max Torque 450 Ft-lbs 3400 RPM, 1/2 Inch with Hog Ring Anvil - Amazon.com
Electric Impact Wrench 12V Impact Wrench, 1/2” Car Impact Wrench Corded Power Impact Wrench Kit with Sockets and Carry Case Dobetter-DBIW12 - Amazon.com
DEWALT Heavy-Duty Electric Corded Impact Wrench with Detent Pin, 3/4in. Drive, 345 Ft.-Lbs. Torque, Model# DW294 | Northern Tool
Kobalt 8-Amp 1/2-in Drive Corded Impact Wrench in the Impact Wrenches department at Lowes.com