Open Center Protractor, Plastic, 6" Ruler Edge, Clear, Dozen

Clear plastic protractor is ideal for all young mathematicians. Protractor features an open center. Students will easily be able to identify angles from 0 to 180 degrees with the protractors sharply defined graduations which is easy to read and helps minimize visual errors. Ruler Base—Metric and SAE graduations along 6" ruler base. Degree Graduations: 1°; Material(s): Plastic; Ruler Size: 6" Ruler Edge/180°; Color(s): Clear.