The contour gauge tool is designed to duplicate irregular shapes. perfect for trimming and installing floors, carpets and tiles, winding pipes, woodworking projects and other DIY projects. The great woodworking tools and accessories, welding accessories, carpenter tools, construction tools, flooring tools, angle finder tools, scribe tools, etc Entirely made from metal, the Locking mechanism of supergauge shape and outline tool is better and more durable than plastic locking mechanism. The lock also has a designed ergonomic shape.Comes with a small screwdriver, the tightness of the superguage can be adjusted by screwing the 2 screws on . No need to worry about the plastic pins is too loose or too tight to . The super gauge tool is made with high quality ABS plastic, would not scratch the surface of the object being duplicated. Unlike metal contour gauge, the contour gauge with lock is waterproof and rustproof. With high strength and durable material, contour gage would be the great useful cool gadgets for men. The gauge tool has INCH&CM scales on both sides, makes it easier to measure and record numbers. With this contour tool, no more work! You will a precise measurement or duplication by using this measuring tool no matter normal shapes or odd shapes. As a measuring tool for odd shapes, corner measuring tools can be widely used in fitting floors and tiles, carpentry, construction, doing home maintenance, or other DIY and art projects. Help you the most accurate cuts around complicated angles. The must have tools for wood workers, construction workers, , engineers, handymen and DIY-ers. Colour:Photo Color Material:ABS+aluminum alloy Package Contents: 1 x Measuring ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Have a great time shopping!