NIUNIU 360 Degree Protractor Circle Ruler Math Protractors Geometry Plastic Protractor Angle Measurement Tool Compass Drawing Ruler Template for School Office Supply High Quality Materials:Circle ruler is made of high-quality thick plastic, which is thick and durable, not easy to break, and can be used for a longer time than ordinary material rulers. Easy to Get Precise Angle:Plastic protractor is made of transparent material, which can clearly read the information on the protractor. Protractor from 0 to 360 degrees, every 10 degrees has a clear scale line. Widely Application:The universal circular protractor can be used in homes and offices, students and teachers in schools, suitable for painting, measuring, homework, technical drawing, etc. Color: random color Size: 11.5cm in diameter Quantity: 4pcs Kind tips: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.