Durable MaterialThe contour gauge is made of high quality ABS plastic, which is stainless, high strength and durable. Size: 120mm/140mm/250mm. This can be adapted to many construction sites and general commercial buildings. Function and FeaturesMulti-function sound level meter, available in inch and centimeter measurements. Size markings are available on both sides and both sides. Simple and precise marking for corners and other irregular contours. High definition markers for fast and accurate scoping. Precise cuts can be marked with an accuracy of 0.1. Wide ApplicationDesigned for winding tubes, circular frames, channels and miscellaneous objects. The contour cutter can be used for woodworking, shaping and all kinds of contouring. It is suitable for precise installation of corners, wooden panels or mosaic carpets, tiles, modified cars, etc., which is worth keeping in the house. Easy Operation Only three steps to perform: When aligning the edge of the gauge with the reference edge for the first time, find the exact contour of the reference. Along the contour of the measuring tool and cut it. Guarantee 100% Satisfaction Guarantee If you are not 100% satisfied with our products, you will receive an immediate and simple refund or resend .