Professional design drawing template 10 sets (full), made of high-grade plastic, durable, not easy to , the corners of the ruler are designed with curvature, not easy to hurt your hands, the ruler uses a clearer green, full set meets all drawing needs. Sets contains:Multi-size circular drawing template,Multi-size ellipse drawing template,Multi-function drawing template,Geometric drawing template, learning template, Nut template, template, Network technology template,Mechanical template, template. Widely used: These templates are suitable for architecture planning, geometry in mathematics, artwork, score measurement, jewelry design, mechanical design, electronic information drawing, etc. Each ruler has different patterns and scales to suit your needs, suitable for studios, schools, offices, homes, etc. Washable: These drawing templates are all made by professional stencil printing process. There is no case where the scale disappears. It can be washed with water, with clear carving, long service life and full value . It is a valuable gift. Material:plastic colour:green Package Contents: 10 x Templates Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.