NEW!! HERCULES-Compatible 20V Brushless Cordless 1/2 in. High Torque Impact Wrench (Model HCB86B) - Tool Only - 1700 RPM 1200 ft. lbs. of Bolt Breakaway Torque and 700 ft. lbs. of Fastening Torque - Amazon.com
Harbor Freight's Hercules 20V 1/2 in. Compact Impact Wrench Reviewed
20V Brushless Cordless, 1/2 in. Compact, 4-Mode Impact Wrench with Friction Ring – Tool Only
Hercules 20V Brushless Cordless 3/8 in. Compact 3-Speed Impact Wrench – Tool Only - Delivers up to 525 ft. lbs. breakaway torque and 229 ft. lbs. of fastening torque - Amazon.com
HERCULES 20V Brushless Cordless 1/2 in. Ultra Torque Impact Wrench - Tool Only | eBay