The Stud Ball is a protected magnetic stud finder that will out perform any other type of magnetic stud finder on the market. Unlike other steel stud finders, the Stud Ball can detect metal through 1/2" or 5/8" drywall or other thicker building materials. Will also work through ceramic tiling and up to 3/4" plywood paneling.

Rare Earth magnetic with 27 pounds of pull

No batteries required