Aluminum alloy multi-function six-fold ruler goniometer universal square (12-fold ruler)Size: 12 foldThe product is made of aluminum alloy, laser engraved on the scale, super wear-resistant, can be used for a long time, no need to worry about corrosion, to ensure the durability of our use. Our products are suitable for all situations.Lock protractors in shapes, patterns and templates to replicate imprints and draw perfect angles. A multi-tool is a must-have for any professional or handyman. Precise angle measurements can be made. Use the sliding ruler to quickly measure angles and dimensions, lock it, then stick the ruler to the material you need to cut, quickly draw dimensions and make cuts, saving you time and increasing your work and productivity.Our multi-angle measuring ruler is newly upgraded with rich functions. It is a measuring tool and tile positioning hole saw. Other common measurement scales consist of just a four-piece ruler. Our newly upgraded universal square has six squares and six freely foldable metal knobs. Just adjust six metal knobs to create exactly the shape you want. Measuring objects of different shapes is quick and easy. Suitable for all kinds of work, carpentry, flooring, tiles, installing glass, etc. Easily occupy and replicate complex shapes on wood and recreate shapes on stone, wood, tile and glass. Ideal angle measuring instrument for laying wood and tiles.