Powerful Function - The multi-angle measuring ruler can be freely deformed and used in various ways. It has a 12-sided ruler and 12 freely bendable metal knobs. Just adjust the metal knob to get the shape you want.Measuring objects of different shapes is quick and easy. Easy to read and use - Our multi-angle jig tool features laser etched markings and laser etched centimeter and inch lines as well. Even if you use the sliding ruler for a long time, you can keep it clear and easy to read. In addition, the supplied screws are large and can be replaced with one hand, they are very easy to use. Easy to carry - This multi-angle measuring ruler has 12 sides, a foldable universal aperture locator, is easy to carry, not easy to lose. The Universal Opening Detector has three aperture sizes of 45mm, 25mm and 40mm diameter linked together to avoid losing one on the job. Good material and easy to carry - The outline indicator made of premium ABS plastic, strong and durable, never rust and has a long service life. The opening detector is made of an aluminum alloy. It is very resistant, stainless and durable. The original surface will not be scratched during use. Wide Application - The 12-sided multi-angle ruler is a universal tool for measuring angles, bricks, wood, tiles, floor, roof and metal objects. You can choose a metal square as a gift for builders, tilers, carpenters, handymen, roofers, carpenters, architects, etc. Precise Angle Measuring Tool: This 12-sided angle measuring tool has laser etched markings (inches and centimeters) which are very suitable for precise angle measurement. With the 12-piece angle tool, you can adjust the size to mark tiles accurately. The metal protractor is an ideal, integrated measuring tool for positioning holes. This multi-angle measuring ruler has 12 sides, universal foldable aperture selector, linked together, easy to carry, not easy to lose. The Universal Opening Detector has three aperture sizes of 45mm, 25mm and 40mm in diameter which are linked together so you dont lose any of that when working. Wide range of applications: It can be used for ceramic tiles, glass, marble and wood panels. It is mainly used to open and close ceramic tiles, which is very suitable for laying ceramic tiles. These protractors are lightweight and handy, designed for convenient use, they can be folded flat for easy storage, you dont need to carry a heavy toolbox. Its an essential tool in your box. Easy to fold up and go to the next project, it helps speed up the process of creating interesting clips. You can use this woodworking ruler to override pattern making speed.