20V 12.2lbs
DEWALT 20V MAX XR 1/2 in. High Torque Impact Wrench with Hog Ring Anvil Kit
The Home Depot
20V MAX Lithium-Ion Cordless 1/2 in. Impact Wrench Kit with (2) 5.0Ah Batteries and Charger
Amazon
DEWALT 20V MAX XR 1/2 in. High Torque Impact Wrench with Hog Ring Anvil Kit (DCF900P2)