DEWALT Brushless 20-volt Max 1/4-in Brushless Cordless Impact Driver (2-Batteries Included, Charger Included and Soft Bag included) in the Impact Drivers department at Lowes.com
DEWALT Impact Wrench with Hog Ring, Square Drive, Heavy Duty, 1/2 in, DWMT70773L | eBay
20V MAX* 1/2 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) | DEWALT
DEWALT 12V MAX XR Drill/Impact Driver Kit DCK221F2 from DEWALT - Acme Tools
DEWALT 3/8" Pneumatic Impact Wrench with Hog Ring, Air Wrench, Square Drive (DWMT70775) - Amazon.com