Are you looking for a professional, yet affordablemagnetic studs ? Are you in search of a sturdy, trustworthy magnetic studs ? , ! Our professional magnetic studs , made of material, must meet your needs. It is one of the for you. Features -Material:Plastics, magnets -Size:7.80X3.10X1.70cm/3.07X1.22X0.67in -Small and compact, it can be carried around -No batteries, there are two levels for marking -Can easily sense whether there are screws in the wall or wooden structure -By sensing a wall screw, the nail is attached to the wall, and you can then know exactly where the nail is and pull it out. -It can also be used in home decoration, such as installing photo albums, installing hooks, where screws are needed. Use magnetic screw detectors to balance the position of screws Package list: 1 x magnetic studs