1、45 DEGREE BEVEL ANGLE RULER: Carpentry angle ruler provides you with 45 degree + 135 degree accurate angle for architectural drafting design, woodworking and so on. 2、ALUMINUM ALLOY MATERIAL: This woodworking bevel ruler is made of sturdy aluminum alloy with oxidized finish, durable, anti twisting, practical, rust resistance and erosion resistance. 3、USES: Commonly used to check the angle of weldments, measure the deviation of 135 degrees between the inner and outer angles of the workpiece and scribe the workpiece, use it to check the 45 degrees,135 degrees between the equipment and the components in the structure. 4、MULTIFUNCTIONAL WOODWORKING TOOL: The 45 degree miter ruler is a multifunctional woodworking tool that supports precise angle measurements and is ideal for a variety of woodworking tasks. 5、FINE WORKMANSHIP: 45 degree angle corner ruler is finely crafted with a premium coating on the surface, which enhances rust resistance and improves durability in use.