Lock Mechanism: The next generation contour duplication gauge has a locking piece to ensure the contoured area stays until it is traced. p>Multi-ApplicationSceneThe shape contour duplicator is designed for wrapping pipes and circular frames. , conduits and many objects, ideal for laying tiles, laminate, carpet, checking dimensions, molding, etc. Useful tool for auto body, carpentry and all Improved contour gauge10 contour duplicating gauge with thinner pins will measure profiles accurately. Easy to use: the contour duplicator measures 25 cm. Simply press the teeth against the object to follow the contour and follow the shape you are in. This gauge increases your productivity and saves you valuable time to mark the precise cut. High quality and durable: The contour gauge is made of high quality ABS plastic, high strength, rust-proof and durable, rust free. the plastic conforms to the shape and retains the design.