Duplicate edge and corner contours on tile, sheet metal, wood, carpet and more with this handy contour gauge! Press the gauge against any object and then trace the contours of the surface. The contour gauge is made of durable, lightweight polyethylene and features edge magnets to keep the gauge in place on metal surfaces. Convenient and easy to use, this contour gauge is a great tool for hobbyists, metal workers, furniture builders and more!