Feature

●Made of high quality material, it can be used for a long time
●Lightweight, easy to carry
●Place the notch as close to the eye as possible, then if your pupil is in the mirror, find the middle position and read the line closest to the middle of the pupil
●This is a very good promotion, very suitable for accurate pupil distance measurement
●The optical PD scale is soft and elastic, so it is not easy to break


Description

Specification:
Type: Pupil Distance Ruler
Length: 150mm
Material: Plastic
Color: White
Package includes: 2 x Pupil Distance Ruler
The optical PD scale is flexible and hard to break.
Made of high quality material, it can be used for a long time.
Lightweight, easy to carry.