Specification: 1. Contour gauge measures 10"/254 mm 2. For any kind of work needs the contour duplication. 3. Used in woodworking, auto body, auto metal sheet, stainless steel or any duplication job. 4. Very easy to use with any job 5. With magnet can stick to the iron products, and makes measuring and cutting easier. 6. With exquisite plastic material to stick on the object completely.