The contour duplications gauge is made of high quality ABS plastic, high strength, rustproof and durable, no rust plastic conforms to shape and holds pattern very well.       The tool has both metric and standard right on the sides, so no need to have a tape measure in hand, which allows you to understand and transfer the details of what you are trying to copy.This contour copying rule eliminates guesses about irregular shapes and sizes.       the teeth are deep enough for your profile gauge to copy the most irregular shapes with ultimate precision, creates an instant template for curved and odd-shaped profiles simply and easily. Our master outline gauge is a good helper for the carpenter.It can duplicate any shape instantly. Just press the contour gauge onto a shape. Copy the outline and cut into shapes.       Our contour gauge designed for winding pipes, circular frames, ducts and many objects, perfect for fitting tiles, laminate, carpet, checking dimensions, molding, etc. Useful tool for woodworking, auto body, auto metal sheet, stainless steel or any job of contour duplication.              colour:Red & Blue & Black       material:ABS              Package Contents:       1 x Red 5-inch contour gauge       1 x Blue 10-inch widened profile gauge              Only the above package content, other products are not included.       Note: Light shooting 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.