I need a stud finder about once a year…and that’s about how long the batteries in my electronic stud finder last. So I keep this handy gadget in the bottom of my toolbox for finding studs the old-fashioned way—magnetically. You run in a zigzag pattern across the wall, and when it detects a metal screw or nail that fastens the drywall to the stud, the little red tongue waggles. It seems a little hit-and-miss, but finding a stud has never taken me more than 15 seconds. (about $4) is available at most hardware stores and home centers. — Spike Carlsen, Contributing Editor
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