One handy feature with this set is built-in LED lighting. You don't need to bother with a cord, since it runs on a rechargeable battery.
From Amazon
Milwaukee M18ONEPP2Q-502B 18v Cordless M18GG Grease Gun + M18ONEFHIWF34 3/4 Wrench Kit 2 x 5.0ah Batteries
ITS
Milwaukee M18 ONEPP2Q-502B 18V FUEL ONE-KEY Brushless 2 Piece Kit, 2x 5.0Ah Batteries, Charger & Bag