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 ATOMIC 3/8 in. Cordless Brushless Compact Impact Wrench Tool Only - Walmart.com
DEWALT 20V MAX* Cordless Impact Wrench with Hog Ring, 3/8-Inch, Tool Only (DCF883B) - Power Impact Wrenches - Amazon.com
DeWALT DCF903B 12V MAX XTREME 3/8" Cordless Brushless Impact Wrench - Bare Tool