Description: High-quality materials: This multi-angle measuring ruler is made of high-quality aluminum alloy, which will not break due to bending or rust, and is more durable and stronger than plastic. Accurate angle measurement tool: This angle tool is etched marks (inches and centimeters), which is very suitable for precise angle measurement. You can adjust the size to accurately mark the tiles. The metal protractor is a measurement and integrated hole positioning tool. Time saving: Use a sliding ruler to quickly measure the angle and size, lock it, and then stick the ruler on the material you need to cut, quickly draw the size and cut, save your time and improve your work and productivity. Improved angle measuring ruler: Our multi-angle measuring ruler is newly upgraded with rich functions. It is a measuring tool and tile positioning hole opener. Other common measuring rulers consist of only four-piece rulers. Our newly upgraded universal square has a six-piece ruler. Just adjust the six metal knobs to precisely create the shape you want. Measuring objects of different shapes is fast and easy. Multiple applications: Universal design tools can easily create portholes, arches, pipe cutting and any project you can imagine, very suitable for wood products, bricks, tiles, wood, glass, stone, laminate, construction and construction projects. Specification: Material: Aluminum Alloy Size Chart: Single piece length: 17.5cm/6.89inch Single scale: 12cm/4.72inch Package Includes: 1 Piece Folding Ruler Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!