1、APPLICABLE SCENARIOS: Contour gauge is designed specifically for winding pipes, circular frames, pipes, and many objects, and is very suitable for installing tiles, laminated materials, carpets, checking sizes, forming, etc. Suitable for vehicle body, woodworking, and various modeling operations. 2、ADJUSTABLE AND LOCKING FUNCTION: Contour gauge can adjust the tightness according to your needs. After using the contour ruler for a period of time, you can easily adjust the tightness; Once the object has been formed, the contour gauge teeth must be locked in place every time to obtain perfect marks. 3、EASY TO USE: Contour ruler can be used to measure the shape of irregular objects and is a template for marking accurate ceramic tile cutting. You only need to press the profiler onto one of the shapes. Trim the contour and cut it into shape. 4、WIDELY USED: Gauge contour ruler is used to locate contours or edges and accurately transfer them to the material to be cut. For any type of work, contour copying is required. In woodworking, car body, automotive sheet metal, stainless steel, or any contour copying work. 5、ALUMINUM ALLOY, ABS MATERIAL: Made of premium aluminum alloy, ABS material, this contour gauge is strong and sturdy, has a comfortable feel and reliable for long term use. Item Type: Contour Duplication Gauge Material: Aluminum Alloy, ABS 1 x Contour Duplication Gauge 1 x Starting Point Locator 1 x Gap Gauge 1 x Rotation Angle Ruler 2 x 5 Hole Tapping Head 15 x Sturdy Nut 12 x Short Ruler Piece 2 x Long Ruler