[Portable and practical]; The multi-angle measuring ruler adopts very compact size and lightweight design. This multi-angle measuring ruler can be easily folded and can be easily stored in a pocket without taking up more space. [Innovative Four Sided Design]: The innovative 4 adjustable screws and 2 side arm design can slide and lock at any angle, and can accurately measure some irregular graphics whether you are a professional or an amateur, you will find it very easy to use. [Metric and Imperial Units]: The protractor has metric and imperial units, which can easily measure inches or centimeters, which is very convenient for daily use. The laser-etched graduations are very clear and wear resistant, and will not fade or fade. [Multifunction]: The angle jig tool can be used for several purposes. Use multi-angle measuring tools to mark or plan tiles, floors, bricks, wood, laminates, metals, etc., while satisfying everyday angle measuring work. [Specifications]: The ruler material is heavy duty ABS plastic, the maximum measuring length is 25cm, and the weight is 80g. There are 4 colors: red, yellow, blue and black. Product Versatile Angle Measuring Template Tool 1. Using 4 adjustable screws and 2 side arms, the angle ruler can be adjusted to any angle in any position and shape. 2. The measuring ruler is made of ABS plastic, which is durable and has a long service life. 3. Multi-angle measuring tools can be used as a perfect gift for engineers, craftsmen, handymen, builders, tilers, handymen, carpenters, etc. Specifications: Material: ABS plastic Weight: 80g Scale length: 25cm Short scale: 12 cm Color: red, yellow, blue, black Packaging: set of 4 pieces Settings: 1. The strapping machine has setscrews which can be used to loosen 2. Slightly loosen these screws and place them where you want to remove the angle. 3. Easy to adjust, it will not slip off when tightened. Note: Do not pull the tool arm with brute force, just loosen the screw (zhongchengdaye)