20 Pack Plastic Precise Protractor, MAKINGTEC 180 Degrees 4 In Semicircle Protractor for Angle Measurement for Painting, Measure, Homework, Technical Drawing, Student Prizes, School Supplies (Clear)

الوصف

【20 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 【Measure math tool】the geometry protractors are suitable for painting, measure, homework, technical drawing; You can send them to your friends and classmates 【Sturdy protractors】this clear plastic protractor is thick enough, thus they are not easy to snap; Abundant bulk, total: 20 pieces 【Black accurate number】the black numbers are clear and easy to identify, then you can read quickly with great accuracy 【Common protractor】the plastic protractors are the common shape protractor, it's universal, you can applied to settle the math problems frequently