SZXMDKH Plastic Protractor for Angle Measurement Student Math 180 Degrees, 4 Inches, Clear (10 Pcs Protractor)

【Plastic protractor set】Protractor made of high quality plastic, semi-circular shape, 10cm/180°, 10 protractors in total. 【Easy to use】The transparent colour makes it easier to use and you can see the numbers and patterns on the paper through the protractors. 【Smooth surface】The smooth surface of the protractor makes it easy to move around on the paper. 【Clear scale】Marking lines at 10° intervals help you to draw any angle easily. 【Great study aid】Enough to last a term without having to re-purchase it because it was lost or damaged.