Professional glasses measuring tool to measure PA(pantoscopic angle) easily. It helps to make the glasses more standard and comfortable to wear.

Features:
Professional glasses measuring tool to measure PA(pantoscopic angle) easily.
It helps to make the glasses more standard and comfortable to wear.
Compact size, light weight, convenient to carry.
The scale on the item is easy to read.
Made of plastic material, durable.

Specifications:
Material: ABS
Color: Grey + Black
Item Size: 7 * 7 * 0.8cm / 2.8 * 2.8 * 0.3in
Item Weight: 21g / 0.8oz
Package Size: 16 * 11.5 * 1cm / 6.3 * 4.5 * 0.4in
Package Weight: 25g / 0.9oz

Package List:
1 * Meter