Measure Math Tool: the geometry protractors are suitable for painting, measure, homework, technical drawing; You can send them to your friends and classmates
100 Pack protractors: the material is plastic; The bottom side length is 10 cm, 4 inch size make it easy to put on your books, notebooks and pencil case
Sturdy protractors: this clear plastic protractor is thick enough, thus they are not easy to snap; Abundant quantity, total: 100 pieces
Black Accurate Number: the black numbers are clear and easy to identify, then you can read quickly with nice accuracy
Common Protractor: the plastic protractors are the common shape protractor, it's universal, you can applied to settle the math problems frequently
