CH Hanson's Magnetic Stud Finder uses powerful rare earth magnets to locate metal and wood studs in walls. Because it uses magnets, batteries are not required. The Stud Finder includes a rotating level for vertical and horizonal marking. This small but powerful tool fits easily into your pocket, armed and ready to help with remodeling, new construction, and all sorts of DIY projects.

It works by detecting the nails or screws that hold the drywall to the studs, utilizing powerful magnets for detection

It's simple to use, doesn't require batteries, and is compact enough to fit in a pocket

3/4 in. maximum wall thickness