Features:*High quality: The line drawing ruler is made of high-quality materials, which is durable and abrasion-resistant, helping to maintain the accuracy of the scale and can be used for a long time.*Exquisite workmanship: This multifunctional ruler has exquisite workmanship and excellent material, which can bring you a good use experience.*Easy to use: This line drawing ruler is easy to operate and has common functions such as measurement, correction, and marking. It can be used as a carpenters's measuring tool and squared ruler.*Multi-functional design: One ruler can be used for multiple purposes. Can be crossed. Can measure 45 degrees and 90 degrees. Easy to disassemble and easy to carry.*Suitable scene: Suitable for DIY, engineers, carpenters and decoration workers. It is an essential measuring tool for workers in the woodworking industry. Suitable for round materials, three-dimensional workpieces, squaredwood, pipes, etc.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: Aluminum alloySize:85*79*112mm