Upgraded Multifunctional Ruler - You will get 3 different multifunctional rotatable rulers. One ruler includes: protractor, Y-axis, X-axis, circle-drawing hole with radius mark, arc, short-drawing slot, movable short ruler, elliptical hole, parallelogram, parabola, built-in triangle, ruler, and the other one with built-in oval to replace triangle. 360-degree Round Protractor - Clear scale, hollow holes are in line with ergonomics design, easy to use and take. Wide Application & Practical - Measure length and angle, drawing templates to compose a of plane graphics, three-dimensional graphics, pattern graphics and mathematical geometry. Suitable for primary and middle school students. A good tool for assisting in learning and helping to develop kid's hands-on ability and imagination. High Premium - Made of high-quality plastic, transparent blue color, bright and clear scale, convenience to read, safe, durable, and not easy to break. Easy to carry and store. colour: blue Material: plastic Package Contents: 2 x Multifunctional Rulers 1 x 360-degree Round Protractor Only the above package content, other products are not included. Note: Light reflection 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.