Product Review

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.