20 Pack Plastic Protractor, 180 Degrees Protractor for Angle Measurement Student Math, 4 Inches, Clear;

eBoot plastic protractor for angle measurement 180 degrees protractor student math, 4 inches, clear, 20 pack

Practical 4 inch protractor
The bottom side length is 10 cm, 4 inch size make it easy to put on your books, notebooks and pencil case. The 4 inch protractors are suitable for painting, measure, homework, technical drawing.

Clear and accurate protractor
The black numbers are clear and easy to identify, then you can read and get the angle quickly with great accuracy. With the clear surface, you also can see through the protractor which will make your measure more effective.

Unique design
There are 2 circle numbers, you can read the angle anticlockwise and clockwise.

Good helper for measure
The math protractors are suitable for children, teachers, students, office workers, etc.

Specification:
Protractor size: 10 x 5.5 x 0.13 cm
Total: 20 pieces
Attention: the minimum accuracy is 1 degree.

Package includes:
20 x Protractors (4 Size)