DescriptionThe plastic optical PD ruler is perfect for hospital, pharmaceutical supplies. This pupil distance ruler, which are made from plastic material for durable and long lasting use. It is not only used to measure the pupil spacing and frame pupil distance, but also for the goggles.Features- Color: White. - Material: Plastic. - Size: About 21x5.3x0.7cm./8.27x2.09x0.28Inches - The optical PD ruler is and flexible,so it will not easily to break. - Made from premium material for long time use. - Lightweight for easy and portable carry. - Ergonomic design, accurate scale, small error. - It is a very good promotional item and perfect for hospital, pharmaceutical or medical supplies.
