DeWalt 12V Brushless 3/8" Impact Wrench - Pro Tool Reviews
DEWALT XTREME 12-volt Max Variable Speed Brushless 3/8-in Drive Cordless Impact Wrench (2-Batteries Included) in the Impact Wrenches department at Lowes.com
DEWALT 20-Volt MAX XR Cordless Brushless 3/8 in. Compact Impact Wrench (Tool-Only) DCF890B - The Home Depot