24 Pack plastic protractors: math protractor features an open center and accurate 4 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
Assorted colors and good quality: the protractor made of good quality plastic; Assorted color 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
