Description Independent 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 variety 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, lightweight and not easy to break. Easy to carry and store. colour: blue Material: plastic Quantity: 1 piece Size: 11.5cm Package Contents: 1 x 360-degree Round Protractor Only the above package content, other products are not included. Note: Light shooting 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.