GemLED Refractometer With M7 Docking Station Desktop Jewellery & Watch Multi-Functional Repair Tool with LED Lights Length: 23

Length: 23

Bergeon 5901-P27

Stone Size (mm): 20x13

The tin's edge allows for storage of tools such as pliers

Capacity for 100g pins

GemLED Refractometer With M7 Docking Station Desktop Jewellery & Watch Multi-Functional Repair Tool with LED Lights Length: 23Innovative gemstone refractometer with built in LEDs for mains and battery operation. Refractometer contact liquid ND 1. 79 and polarization filter included. Refractive index: nD 1. 30 1. 81, scale graduation 0. 01 for an easy, direct and accurate reading Monochromatic illumination with powerful LEDs 589nm of the sodium D wavelength, arranged directly on the refraction element within the refractometer housing, for a sharp and high contrast image of