Characteristics Two rulers in one, the ruler has a variety of scales in centimetres/inches/angles/parallel lines, making this ruler suitable for many fields. Thanks to the special printing technique, the scales will not wear out even after long periods of use. Designed for measuring axes and ranges of motion Used to measure the range of motion of joints such as elbows, knees and fingers. Can also be used as a general length measuring tool. Product Name: Simple Angle Ruler Product material: frosted PVC Product Size: As shown Colour: transparent Packing list (available after purchasing one product) Angle ruler *1 Please understand: 1.Due to the long shipping time, the item may be damaged during shipping. If the item is damaged, please leave us a message through the official website immediately and then post a comment, I will solve the problem for you. 2. Due to manual measurement, the size may have 1-3cm error. 3. Colour may vary by monitor.