Zircon International StudSensor 70 69987 Stud Finder, 9 V Battery, Detectable Material: Metal/Wood

StudSensor™ 70 quickly and easily locates the center and edges of wood and metal studs and joists behind walls, floors and ceilings. Patented CenterVision® technology finds the center of studs in a single pass. A built-in erasable wall marker allows for one-handed operation.