Unfortunately, X-ray vision is still only the stuff of fantasy and super hero lore. If you need to see through a wall to find a hidden stud, you'll need a quality stud sensor. These tools allow you see through walls and find the studs you need to hang that picture or shelf. They are accurate, reliable, and durable enough to stand up to the heaviest use. Take the guess work out of finding a hidden stud, and stop making needless holes in your pristine walls. Tools-Plus carries both mechanical and electronic stud funders to fit any budget or project.