Refractometer with Light & Case Omo 070 6" Cut 2 Medium

070 6" Cut 2 Medium LP1180-6-4-2

74mm 20 ga 4

giving you multiple sizing options in a single tool

628 Model SPB-560-1BK (SWS) Application Soldering

Refractometer with Light & Case Omo 070 6" Cut 2 MediumRefractometers are a primary tool in gem identification, used to measure the refractive index of gemstones with precision. This refractometer features an easy viewing lens, a measuring range of 1. 301. 81, and a minimum graduation value of 0. 01. The set includes a compact storage case and a small flashlight to serve as a light source, along with instructionsmaking it a complete, ready to use kit for gemological work. Refraction liquid is not