Luxvision MES-6040 Ruler
Multi-use rule/scale. PD is the distance between pupils, or Pupillary Distance. Plastic scale/ruler. Comes with a small ready to go plastic container to store ruler in.
- Does not scratch lenses
- Begins with "0" at the out edge for easy end - to - end readings
- Scale in millimeters
Dimentions: 0.8x26x170 3g