"[High Quality Material] This woodworking ruler is made of high quality aluminum alloy, which is strong and durable, not easy to damage, rustproof, high quality, good performance, and can be used for a long time. Large Center Hole DesignLarge center hole design allows your fingers to hold or fix this ruler on the workpiece. Easy to place, carry or move without damaging fragile triangles. Easy to UseTriangle ruler to check the angle quickly and easily. The scale is clear and precise and easy to read. The wider base provides a stable grip. Easy and comfortable to place, handle or move without damaging the fragile triangle. Precise PerformanceA must-have tool in your toolbox, when you need to cut a precise angle, it's really handy and will save you a lot of time and trouble measuring corners and cutting quickly. No more wasted and wasted material when woodworking or when precise cuts are needed. Widely UsedThis handy angle ruler is suitable for woodworking or square with a bandsaw or table saw, perfect for all construction and renovation projects. Perfect for any DIYer, carpenter, hobbyist, home builder, fabricator, and artist. "