As batteries get more compact and capable, smaller tools are getting gutsier. The Milwaukee M4 Screwdriver Kit weighs less than a pound but packs considerably more power than its slim figure suggests. The 244mm tool’s two settings let it drive between 200 and 600 rpm – enough power to replace switch-plate covers or screw together an oddly named Ikea table – and its articulated body contorts to fit tight spaces. Bonus: An included quarter-inch chuck makes it simple to swap bits out with one hand. [$150; milwaukeetool.com]
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