Quality materialsThe angel measuring ruler is made of high-quality aluminum alloy, which is not easy to bend or rust, More durable and stronger. High precisionThe multi-angle measuring ruler is Laser engraved markings (inches & centimeters) perfect for precise and accurate angle measurements and keeps clear even you use the slide ruler for a long time. Widely usedvery suitable for woodworking, brick, ceramic tile, wood, glass, stone, laminate, construction, engineering projects and so on. Improve efficiencyWith 12 rulers, this multi angle measuring ruler can accurately create the required shape, and then find the correct drilling position. By folding 12 sides, you can easily measure clumsy and difficult to track angles, and improve work efficiency. PortableSmall size and easy to carry, measurement is very convenient, just fold it and put it in the bag.