1. Multi functional drawing ruler: it can be used to draw plane/solid geometric figures, distinguish/measure/draw angles, and draw parabolas.
2. Simple, practical and precise Templates Drawing Ruler.
3. Great help for students and children learning use, also a practical and promotional gift for your child.
4. Suitable for various occasions: you can use them in art design, architecture, network technique, fractional.
5. Measurement, and drawing templates in school and office.