1、ALUMINUM ALLOY MATERIAL: The woodworking ruler is made of accuracy and durable CNC machined aluminum alloy, which is light and convenient. 2、STANDARD SCALE: The woodworking ruler has a permanent laser engraved scale, the scale is beyond standard accuracy, and the angle conversion table makes it easy for you to use the correct unit. 3、WEAR RESISTANCE: The frosted surface of the woodworking ruler is smooth and wear resistant, and the scale on the ruler surface is clear. 4、SUITABLE FOR MEASUREMENT: Perfect for measuring, the woodworking ruler can be used as a protractor, woodworking compass, making triangles, squares and frames. 5、LONG SERVICE LIFE: The ruler has good oxidation and is not easy to break. Each triangle ruler is thickened, corrosion resistant and high in hardness.