DeWalt 20V Max Lithium Ion Brushless 3-Speed 1/4-inch Impact Driver

It's not quite as tough as the Milwaukee, but none of the other test subjects could match this three-speed driver's ratio of size to brute force. "It's lightweight, and the top speed is freakin' fast," says Grundy, who also raved about the drill's handy trio of LED lights, smart belt clip, and optional superslim battery pack. [$280; dewalt.com]