Tenare 12 Sets Plastic Clear Ruler Math Set Includes Protractor, Triangle Rulers,12 Inch 6 Inch Straight Ruler Geometry Math Ruler Transparent Ruler Measuring Tool for School Office Home Supplies - OH-Tenare-6485735

• Complete math tool set: you will be provided with 24 protractors of 15.5 cm and 10 cm, 24 triangle rulers of 45 degree and 60 degree, 24 straight rulers of 6 inch/ 15 cm and 12 inch/ 31 cm, totally 72 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 clear 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