Product Material It is made of aluminum alloy, which has the characteristics of high hardness, light weight, corrosion resistance and rust resistance. Product design: the ruler body is thickened, a ruler is multi-purpose, measures 45/60/90 degree angles, easy to disassemble, convenient to carry. Product Features: The surface of the measuring ruler is anodized, with high surface hardness and wear resistance, which helps to maintain the accuracy of the scale. It can be used as measuring tool and square for woodworking, easy to operate and able to measure, correct, mark, etc. Common functions. Applicable scenarios: Suitable for DIY hobbyists, engineers, carpenters and decorators. It is a measuring tool for wood industry workers., Manufacturer: Bumdenuu