DEWALT 20V MAX XR Impact Wrench, Cordless, 1/2-Inch with Detent Pin Anvil, 330-lbs of Torque, 3,100 IPM, Bare Tool Only (DCF894B) - Amazon.com
DeWalt 20-Volt Impact Review | UTV Driver
DEWALT 20V MAX Cordless 3/8 in. Impact Wrench Kit with Hog Ring (Tool Only) DCF883B - The Home Depot
DEWALT XR Variable Speed Brushless 3/8-in Drive Cordless Impact Wrench (Bare Tool) in the Impact Wrenches department at Lowes.com
Shop DEWALT XR 20-volt Max Variable Speed Brushless 1/2-in Drive Cordless Impact Wrench (1-Battery Included) & 10-Piece 1/2-in Drive Set Hex Bit Standard (SAE) Driver Socket Set at Lowes.com