High-quality materials: The multi-angle measuring ruler is made of high-quality 5mm aluminum alloy, with durable metal knobs and bolts, and the surface is coated with a black oxide layer. The six-fold measuring tool is rust-proof and will not rust. Thisuniversal angle The ruler is stronger and more durable than the plastic ruler. Under normal storage, it can last a long time in your toolbox. Easy to use: The angle ruler has six pieces of ruler and metal knobs, with 3 positioning holes. You can adjust the six metal knobs to the shape you need, then lock it, and then install the ruler on On the material that needs to be cut, quickly draw thesize and cut it, which saves your time and improves your work and productivity. Laser engraving: This angle measuring instrument is scaled with special laser engraving technology. It is very wear-resistant and can be used for a long time without worrying about corrosion. There are two displays in metric and imperial systems, whichare very suitable for precise angle measurement. Other rulers are different. , They will not wear out and disappear due to the use of too long scale, and the digital scale will remain on the ruler forever. Easy to carry: The six-fold angle measuring ruler is an excellent portable tool, easy to fold, save space and easy to store, you can even put them in your clothes pocket and carry them at any time, or put them in your backpack, a small one Pockets canhold them. Multiple uses: Super convenient precision tools make difficult tasks easier, multi-angle aluminum measuring rule general layout tool is convenient to create bull's eye, arch, plumb cutting and any project you can think of, very suitable Carpentry, brick,tile, wood, glass, stone, laminate, construction and engineering projects and more It is an ideal template tool for carpenters, bricklayers, craftsmen, handymen, and DIY.