This portable eyeglass radian tester is precise and portable， which is very convenient to measure the radian of the eyeglass.

Features:
It is fashion and eye-catching in appearance!
Equipped with a probe cap to protect the probe.
Small and exquisite， very portable and easy to use.
Scratch-resistant measuring head， which protect the eyeglass when testing.
Using high-quality environmentally friendly materials， which is accurate and durable.

Specifications:
Color: Blue + Black
Material: Metal
Lens Refractive Index: 1.53
Measure Scope: +/-20mm
Item Size: 6 * 5 * 1.3cm / 2.36 * 1.97 * 0.51in
Item Weight: 62g / 2.20oz
Package Weight: 115g/ 4.03oz

Package List:
1 * Eyeglass Radian Tester
1 * Manual