DEWALT 20V MAX XR 1/2" High Torque Impact Wrench, Cordless, Detent Anvil, Tool Only (DCF899B) - Amazon.com
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DEWALT 20V MAX Cordless 3/8 in. Impact Wrench Kit with Hog Ring (Tool Only) DCF883B - The Home Depot
Amazon.com: DEWALT 20V MAX* XR Cordless Impact Wrench with Hog Ring Pin Anvil, 3/4-Inch , Tool Only (DCF897B) : Everything Else
DEWALT XTREME 12-volt Max Variable Speed Brushless 3/8-in Drive Cordless Impact Wrench (Battery Included) in the Impact Wrenches department at Lowes.com