Made of clear, transparent crown (BK7) glass with polished surfaces.
Type A: equilateral.
Type B: right angle, 90 x 45 x 45.

We are manufacturers and suppliers of the Superior/Crown Glass Prism, serving Algeria, Argentina, Australia, Bahrain, Bangladesh, Belgium, Bhutan, Brazil, Cambodia, Cuba, Cyprus, Denmark, Ecuador, Egypt, Ethiopia, Finland, France, Georgia, Germany, Ghana, Hungary, Iceland, Italy, Japan, Jordan, Kenya, Kuwait, Malaysia, the Philippines, Tanzania and Uganda.