Choose from a printable digital download or a printed set of 50 bevel protractors for the whole classroom! Round, 360-degree graduated circular protractors for measuring and marking angles when experimenting with optics and light. Learn Snell's Law by measuring the angles of reflection, refraction, and total internal reflection with ease!

360 Degree Round Protractor for the whole classroom!

Bevel protractors are used across a wide variety of applications including Optics, Architectural and Mechanical drawings.

The flat protractor is used to establish and test angles to very close tolerances.

• Graduations in 1/2″ increments clockwise and counterclockwise allow precise measurement.
• Made of laminated cardboard.