Features:1. Versatile measuring ruler, with a protractor to draw the desired figure, can also draw arcs curve, horizontal parallel line, vertical parallel line, enough size for drawing.2. There is a round hole per centimeter for drawing circles and ellipses. And the scale is clear, easy to slide observation, not easy to skew. 3. Made of transparent plastic; It's light-weighted, easy to carry. Transparent material allows you to draw without ignoring some important figures or words.4. Whether you are an artist, student, pattern maker or designer, this ruler is a good helper for your work or study.5. It can help students develop their manual skills and imagination to draw different designs.Notice:*Actual color may be slightly different from the image due to different monitor and light effect*Please allow 1-3cm deviation due to manual measurementDescription:Size: 12*12cm