24 Pack Plastic Protractors: math protractor features an open center and accurate 6 inches ruler across the base; 24 Pack can meet the needs, and adequate to use for a long time
Measure Range: range of 0 to 180 degrees, the minimum accuracy of the angle is 1 degree, each 10 degrees have a clear line to distinguish
Clear and Good Quality: the protractor made of good quality plastic; Multi colors allow you see the words, letters, figures on page through the protractor
Wide Applications: the geometry protractors are suitable for measure, student work, graphing of engineering; Protractor with inch and centimeter marks makes measuring easier
Good Gift for Children: abundant bulk, you can make it as gifts for your kids in school, friends; Lightweight and easy to carry, not take too much space
