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