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