Leline s Plastic Protractor 180 Degree 2 Pieces Student Math Protractors 6inch Long Clear 4

Professional Math Protractor features an open center and accurate 6-Inch ruler across the base. Easy to hold and read. Specification - Material: Plastic - Color: Crystal-clear - Length: 6 inches - Degree: 0 to 180 degrees - Minimum accuracy: 1 degree This protractor measures 0 to 180 degrees. The minimum accuracy is 1 degree, each 10 degrees have a clear longer line to distinguish. The math protractor can be use in math geometry class, measuring, painting, technical drawing etc. It is suitable for students, teachers, office workers, engineers, etc.