Rockwell’s new 1/4-inch 16V Max­Lithium Impact Driver is more power­ful than 12-volt tools but lighter and more compact than 18- and 20-volt models. Its headstock is 4.9 inches long (as opposed to 6 inches on other leading brands), giving it a slight advantage in tight spaces. The 2.5-pound tool has no-load speeds of 0–2,400 rpm and 0–3,000 bpm and a variable-speed switch; a built-in LED work light doubles as a low-battery-charge indicator. It comes with two 1.3-Ah batteries and a 30-minute charger and costs $140.

Rockwell Tools, 866/514-7625,

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