Refractometer with Light & Case Omo 74mm 20 ga 4

74mm 20 ga 4

giving you multiple sizing options in a single tool

(119g) Head Length 100mm (4") Handle Length 250mm (9-7/8") Head Material Hardened stainless steel Handle Material Rosewood Country of Origin Vietnam

reducing fatigue during extended forging sessions

Refractometer with Light & Case Omo 74mm 20 ga 4Refractometers 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