New Optical Vernier PD Ruler Pupil Distance Meter

New Optical Vernier PD Ruler Pupil Distance Meter Description

and high quality
Plastic PD meter/PD Ruler
Measure pupil distance
It is a very good promotional item and perfect for hospital, pharmaceutical or supplies
Measurement Range: 0-100mm
Material: PVC
Color: White
Size: . 21 x 5 x 0.7cm (L*W*T)
Includes:1 x PD Ruler
Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.