PRACTICAL TOOLHigh definition cutting line for measurement, clear, convenient and good to read. Simply press the tooth on the shape profile tool to match the contour, then follow the shape you need. ABS MATERIALThis professional contour duplicator gauge made of ABS plastic from high quality, sturdy, durable, high strength, durable. Suitable for all shapes, such as ceramics, keys, tiles, laminates, coil pipes, circular frames, ducts and many objects. SETTINGSProfile Gauge Multifunctional 5 inch contour, available in inch as well as centimeter scale measurements. Both sides have the size mark, both sides are available for messages. EASY TO USE Just press the contour gauge on a shape. Copy the profile and cut it into shape. Useful tools to operate all kinds of modeling. It works so well that you can measure and cut with precision. MULTIFUNCTIONALThis streamlined trough profile can easily copy irregular objects, copy pattern accuracy or match the edge, very suitable for woodworking , laying ceramic tiles and linoleum.