About This

• Complete math tool set: you will be provided with 2 protractors of 15.5 cm and 10.4 cm, 2 triangle rulers of 45 degree and 60 degree, 2 straight rulers of 6 inch/ 15 cm and 12 inch/ 31 cm, totally 6 pieces; The complete combination meets the needs of various occasions, you can choose the right ruler to work according to your needs
• Accurate scale: both sides of the protractor can measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value; Triangle and ruler have inches and centimeters on both sides, so you can use them to measure, draw geometric figures, parabola, etc., providing you with large convenience
• Hollow design: the triangle ruler and hollow type protractor adopt the middle hollow design, which can better hold the ruler; Besides, there is a hole at the bottom of the hollow type protractor, which is nice for locating the point of the figure and drawing geometric figures with different angles
• Easy and fast to read: the transparent plastic material allows you to clearly see the pattern or text under the ruler, and the black mark on the ruler is convenient for you to measure better; With light weight, it can be easily put in a bag or taken to school or office
• Quality material: the blue protractor ruler set is made of quality plastic, durable and sturdy, not easy to break and crack, with a certain thickness controlled, can serve yo for a long time; A practical measuring tool for artists, designers, architects, engineers, students and so on