<b>What is a Contour Gauge Profile Tool?</b><br> Contour gauge with lock is a cool things under 20 dollars for recording the cross-sectional shape of a surface. Consist of a set of plastic pins that are set tightly against one another in a frame which keeps them in the same plane and parallel while allowing them to move independently, perpendicularly to the frame. When pressed against an object, the pins conform to the object. The super gauge tool can then be used to draw the profile or to copy it on to another surface. <br> <br> <b>Wide Range Applications</b><br> The super gauge tool is a fantastic tool to duplicate the shape of wood or metal works easier, safer and more comfortable. Ideal for for home DIY projects for bathrooms or kitchens, house renovation, or by professional carpenters, woodworkers, or auto body craftsman who value consistent.<br> <br> <b>How to Use It ?</b><br> Guide the angle measuring tool's teeth onto the object, lock the teeth in place and trace. That's it!<br> 1. Press angle finder against surface to be copied.<br> 2. Switch the handle to lock. It will press the pin assembly and they don’t slip easily.<br> 3. Trace the outline on the wood that you need to fit with the object.<br> 4. Make the cut with either a jig saw, band saw, or hand coping saw. Fit into place.<br>