Durable material: the contour gauge is made of high-quality acrylonitrile butadiene styrene (ABS) plastic, and is rustproof, high-strength and durable. Size: 10 inches/25 cm. Measuring range: 0 to 25 cm. It can be adapted to many construction sites and general commercial buildings.Functionality and features: multifunctional contour gauge, available in both inches and centimetres. Size markings are on both sides. Easy and precise marking for corners and other irregular contours. High-definition markings for fast and accurate coverage. Precise cuts can be marked with a precision of 0.1 cm.Broad application: designed for wrapping tubes, circular frames, channels and various objects. It can be used for woodworking, body shaping and any contouring and is suitable for the precise assembly of corners, wood panels or tiled carpets, tiles, modified cars, etc., which is worth having in the house.Easy to use: only three steps for completion: When you first align the edge of the measuring device with the reference edge, determine the exact contour of the reference. Mark along the contour of the measuring tool and cut.