Mr. Pen protractor set make a great pack for teachers, students, artists, architects, and engineers to take care of their design work, school, and math projects.
The set includes:
- 6-inch protractor with swing arm (3 pack)
- Made with transparent clear plastic
- Easy-to-read inch and centimeter
- Accurate and long lasting prints
- Swing arm is a great tool to accurately draw or read, angles, and arcs
