The Compact Magnetic Stud Finder detects metal studs and fasteners within wooden studs, using a powerful Rare-Earth magnet for fast, accurate stud location. It includes felt pads to safeguard drywall and plaster walls. Features such as the center top notch, bottom opening, and bubble vial offer precise marking and alignment. Its compact design makes storage and transport easy; withstanding drops up to 9.9-Foot (3 m). Overmolded housing ensures a comfortable grip. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857. DETECT METAL STUDS AND FASTENERS: Magnetic stud finder efficiently detects metal studs and fasteners within wooden studs POWERFUL RARE-EARTH MAGNET: Provides quick and precise stud identification PROTECTIVE FELT PAD BACKING: Safeguards drywall and plaster surfaces during use PRECISE MARKING AND ALIGNMENT: Features a center top notch, bottom opening, and bubble vial USE AS REFERENCE POINTS: Use several stud finders as reference points by placing them on walls while working PORTABLE DESIGN: Easily fits in a pocket or can be attached to a carabiner for convenient transport and storage DURABLE AND ERGONOMIC HOUSING: Offers a comfortable grip and withstands drops up to 9.9-Foot (3 m)