Pupil Distance Ruler Size: This PD Ruler approx. 21 x 5 x 0.7cm/8.26 1.96 0.27" (L W T). 【Safe】Carefully polished and free of burrs, which will not hurt the facial skin, Lightweight for easy and portable carry.
Measure Optical Vernier PD Ruler Pupil Distance Meter Tool Ruler
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