The ruler set is 7 pieces of test ruler set to meet the use needs. The rulers are made of PS plastic, with clear scale and accurate drawing. The compass is made of high zinc alloy material, which is not easy to bend and deform. It is good for drawing. The maximum diameter of the compass is 30cm. Transparent PS box, with complete configuration and rich functions, is packaged with transparent storage box.

The student test ruler set has 8 sets of drawings, one set contains the tools required for the test drawing to help the examination room play. Transparent material, clear scale, more intuitive and accurate reading data, easy to complete measurement and drawing. The material is durable and not easy to be damaged. The design of anti-slip grip, pressing lead, and stable coarse pin let you draw smoothly.