Professional gemological Refractometer GIA GEM Duplex II.
Top of the line desk model with removable eyepiece magnifier that enlarges RI scale image. Hinged lid protects glass working area from dust & abrasion. Refer to affixed chart of most-used RI's. Polarizing Filter, dust cover & RI liquid included; ten (10) gram bottle.
With polarizing filters and case.
Dust protective Cover included.
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