XUEMEI Locking MechanismNew generation contour duplications gauge has a locking piece so the the contoured area stays until traced. Multi-Scene Application The shape contour gauge duplicator designed for winding pipes, circular frames, ducts and many objects, Ideal for fitting tiles, laminate, carpet, checking dimensions, moulding, etc. Useful tool for operations on car bodies, carpentry and for all Upgraded Contour GaugeContour duplications gauge 10 inch with thinner pins will measure profiles in a precise way. Easy to UseThe contour duplicator measures 10 inch/25 cm. Simply press the tooth against the object to match the contour and then track the shape you need. This gauge increases your productivity and saves your valuable time to mark the precise cut. HIGH QUALITY DURABLE - The contour gauge is made of high quality ABS plastic, high strength, rustproof and durable, no rust plastic conforms to shape and holds pattern. Quantity:1pc