Description
Mode Number : CT4604
Item Name: PD Ruler
- MATERIAL: Made of high quality PVC material, lightweight, flexible, high transparent
- DESIGN: Classic straight-edge design is suitable for both eyes, and the nose bridge design helps to keep the PD ruler centered and fixed to ensure accuracy
- APPLICATION: Three different printing scale functions can be measured on a ruler, single PD or double PD
- GENTLE REMINDER: Instruction manual for PD measurement is not included, but it can be easily found online. If you need help, please contact us
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