One handy feature with this impact wrench is that it's brushless. You don't need to bother with a cord, since it runs on a rechargeable battery.
From Data Powertools
Milwaukee M18 FMTIW2F38-502X 18V FUEL Brushless 3/8" Impact Wrench With 2x 5.0Ah Batteries
This product is also available at 1 unverified merchant.