Set of two retinoscopy bars.  One is red and one is black.  Each has 16 powers of lenses from 0.5D through 4D in half steps and 5-10 in one diopter steps and 12 & 15D.  Comes with choice of case.  

- 32 DS, Max +/- 12.00 D
- Optional Leather Cover or Aluminum Carrying 
Case
- Fine Printing

Specifications:
2 Pads for each of concave (-) and convex (+),
List Below:
Plus 0.50, 1.00, 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 5.50, 6.00, 6.50, 7.00, 8.00,12.00
Minus 0.50, 1.00, 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 5.50, 6.00, 6.50, 7.00, 8.00,12.00