Product code: GEM-N-EYE III DIGITAL REFRACTOMETER jewelry making retailer equipment
For confirming the identity of unknown gemstones. With eye-catching easy to read OLED display and retailer with advanced processing capability. Do not have power supply but also runs on batteries. No light shields.
For confirming the identity of unknown gemstones. With eye-catching easy to read OLED display and retailer with advanced processing capability. Do not have power supply but also runs on batteries. No light shields.