Shape accuracy: the contour gauge comes in two sizes, one is red 12.7 long and the other is blue 38.1 long, it can easily copy any shape, creating a template instant for curved and oddly shaped profiles. The Contour Gauge can be used to locate profiles or edges and accurately transfer to the material to be cut. For any type of work, the duplication of contours. For woodworking or any duplicating work. Save Time and Effort: Easy contour gauge is a good helper for carpenters. The contour gauge can duplicate any shape instantly. No more transferring profiles to paper or cardboard to save time. Record the cross-sectional shape of a surface with this gauge. Just press the contour gauge on a shape. Copy the profile and cut to shape. The contour gauge takes the guesswork out of the dimensions of irregular shapes. High quality and inch and centimeter measurements: the contour gauge is made of high quality ABS plastic, high strength, rustproof and durable, never rust plastic conforms to shape and maintains pattern. Inch and centimeter graduations are on the contour gauge's strong and durable plastic body. Size mark on both sides is available. Multiple application: The contour gauge is designed for winding pipes, circular frames, conduits, and many objects. Designed for wrapping pipes, circular frames, ducts and many objects, ideal for fitting tiles, laminates, carpets, checking dimensions, molding, etc. The dual contour gauge could be a useful tool for car body work, carpentry and all kinds of model making. Please be careful when using the contour gauge to avoid injury. provides 24 hour friendly customer service (no hassle call). If you have any problems with the Contour Gauge, please don't hesitate to contact us.