DEWALT ATOMIC 20V MAX* 3/8 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) (DCF923B) - Amazon.com
DEWALT ATOMIC 20V MAX Lithium-Ion Cordless Brushless 3/8 in. Impact Wrench Kit with Hog Ring Anvil with (2) 20V 5Ah Batteries DCF923P2 - The Home Depot