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
DEWALT 20V MAX XR Brushless 1/2 In. High Torque Cordless Impact Wrench Kit with Hog Ring Anvil & 5.0 Ah Battery & Charger - Power Townsend Company