Specification:

68pcs full aperature trial lenses

Sphere: 0.25D to 3.00D in 0.25D steps

              3.00D to 7.00D in 0.50D steps

              7.00D to 14.00D in 1.00D steps

              16.00D (Concave & Convex)

Cyliner: 0.25D to 1.00D in 0.25D steps

             1.00D to 5.00D in 0.50D steps