Material: This multi-angle measuring ruler is made of premium aluminum alloy, will not break when bending or rusting, more durable and stronger than plastic ones, long service life life. 12 sessions adjustable: This angle ruler has 12 pieces ruler and metal knobs, you can adjust the 12 metal knobs to create the desired shape precisely, then find the position to drill the correct hole. With 12 side folding, users can easily create and measure angles or special shapes using the angle finder tool to improve work efficiency p> High Accuracy: This angle angle finder features laser-etched markings (inches and centimeters) perfect for accurate and precise angle measurements.< /p> Wide application: suitable for carpentry, brick, ceramic tile, wood, glass, stone, laminate, construction and engineering projects! It can also replace the angle ruler and ruler, widely used in different fields Easy to use: The multi-angle measuring tool used 12 folding ruler measures the angle. angle and size quickly, lock it, then attach the ruler to the material you need to cut, quickly draw the size and cut it, saving you time and improving your work and productivity Color: Black Package contents: 1 twelve-piece folding ruler (without locator).