Sometimes you need to drive a nail in a tight space where you can’t swing a hammer. What’s a frustrated DIYer to do? Get ahold of an Auto Hammer, that’s what. These small devices drive nails using hundreds of quick pulsed impacts per minute. The Craftsman NEXTEC 12.0 Volt Hammerhead Auto Hammer does your standard auto-hammer one better—it has an adjustable head that can drive nails at 0, 45, or 90-degree angles which makes nailing in unusual positions or straight overhead a breeze. Available at Sears; $70.