What is a Stud Finder?
Stud finder definition - A handheld device used to determine the location of wood or metal framing studs after the walling surface has been installed in light-frame construction.
Ideal Home Garden Explains
A stud finder is a vital tool in home improvement for mounting heavy items on a wall. Studs are pieces of 2x4 wood that provide support for the structure of the house. They travel vertically and are covered by dry-wall. These studs provided solid support for hanging or mounting shelves, televisions, artwork, and etc. The best ways to find these studs are by using a stud finder.