【PRECISE SHAPE DUPLICATION】Adjustable pencil holder provides multiple marking distances. This contour gauge is ideal for laminate, tile laying, moldings, carpet, and flooring applications. 【EASY TO USE】The contour gauge's adjustable pencil holder with lock accommodates most markers, allowing you to use your preferred writing tool. 【LOCK FUNCTION】The shape duplication gauge is designed for marking complex contours such as baseboards, stone walls, or lintels, helping ensure a precise fit every time. 【WIDE APPLICATION】This contour gauge is used to capture profiles or edges and accurately transfer them to the material to be cut. It is suitable for a variety of tasks including woodworking, auto body work, automotive sheet metal, stainless steel, and other contour duplication projects.