Speedy PD™ Ruler

Amcon's Speedy PD™ Ruler ensures accurate measurements from any angle, with a millimeter scale printed on every side.

Millimeter scale displayed on the top, bottom, front, and back for versatile use
Allows for quick and easy pupillary distance (PD) measurements
Ideal for opticians and optical dispensaries seeking precision
Durable and easy to clean, ensuring long-term usability
Compact and lightweight design, perfect for carrying or storing in any optical office