DEWALT 20V MAX Impact Wrench, Cordless 2-Tool Combo Kit, 1/2-Inch Mid-Range and 3/8-inch Compact with 5ah Battery and Charger (DCK205P1) - Amazon.com
DEWALT XR 20-volt Max Brushless Cordless Impact Driver (2-Batteries Included, Charger Included and Hard Case included) in the Impact Drivers department at Lowes.com
DEWALT ATOMIC 20V MAX* 3/8 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) (DCF923B) - Amazon.com
DeWALT 20V MAX Lithium Ion Cordless 1/2 in. Impact Wrench with Hog Ring, 4Ah Kit at Tractor Supply Co.