Generic Black Gem Refractometer with Built In LED Light [Camera]

Brand New! Ships from USA ASAP! Measuring Range : 1.30 - 1.81 RI Minimum Graduation : (RI) 0.01 RI Scale Division : 0.01 nD Illumination : Internal Light Source with momentary/power switch Gem Gemstone Refractometer Built-in LED Light Add...