Key Features:
*Offers a year of warranty
* HEAVY DUTY and precise because it made with metal and optical glass
* Durable, reliable and made by professional craftsmen
* Gemmologist tool for diagnosing optical properties of a gemstone
(singly refractive or double refractive)
Specifications:
* Size: Length: 80mm
* Diameter : 28mm
* Material: Optics glass, Meta
l
Accessories:
* Handheld LED flashlight
* Lenght: 156mm
* Diameter: 24mm
* Power: AA battery x 2 (Batteries are not included)
A black cloth carrying case also included!
Optional:
Customers also can use the 5LEDs light source as its testing light source!