[Material]This triangle ruler is made of strong aluminum alloy with oxidation treatment, this woodworking triangle ruler is anti-deformation, practical, rust-proof and corrosion-resistant [Precise Measurement]The engraved metric scales on the front and side of this angle ruler are clear and accurate, it is convenient and easy to read the value or make a mark when using it [Application]The 45-degree aluminum alloy triangle ruler can be used to make handicrafts, clip boxes, photo frames, etc. A useful gadget for woodworking enthusiasts, builders, carpenters, engineers and hobbyists [Easy to Use]: The large center hole is designed to fit your fingers to secure or attach this ruler to your workpiece, easily and comfortably place, handle or move it around without damaging the fragile cutting edge [Design]:From layout to squaring, this multifunctional triangle ruler is a must-have for any contractor or home improvement enthusiast. Its compact design and lightweight materials make it easy to use on any project., Manufacturer: AIRYSSFU