This impact wrench has several handy features, for example that it's brushless. You don't need to bother with a cord, since it runs on a rechargeable battery.
From Data Powertools
Milwaukee M12FIW38-0 M12 FUEL 3/8" Impact Wrench With Fricton Ring Body Only
Powertool World
Milwaukee M12 FUEL FIW38-0 12v 3/8" Brushless Compact Impact Wrench Body Only
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