Buy DeWALT DCF900P2 Impact Wrench with Hog Ring Anvil, Battery Included, 20 V, 5 Ah, 1/2 in Drive, Standard Drive
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 20-volt Max Cordless Impact Driver (2-Batteries Included, Charger Included and Soft Bag included) in the Impact Drivers department at Lowes.com
Cordless Impact Wrench 1/2 inch for Dewalt 20V Battery, 600 Ft-lbs (810N. m) Brushless High Torque Power Tool with LED Work Light and Belt Clip ( Battery Not Included) - Amazon.com