The TF-20 Fix Trial Frame PD Scales is a perfect choice for any optical practice. It is a set with 4 pieces of fixed PD scales from 50 to 56 and 6 pieces of fixed PD scales from 58 to 68. The TF-20 is easy to use, lightweight and, best of all, affordable.
Trial Frames
Fixed PD indicated on the frame body.
Specifications
| Prism Diopter Scale | 50/52/54/56/58/60/62/64/66/68 |
|---|---|
| Packaging Option | A: individual box B: PD50~56 4 pieces in blue box PD58~68 6 pieces in black box |








