Gloss Meter - PosiTector GLS Portable Gloss Measurement for all surface finishes Conforms to National and International standards including ISO and ASTM Geometries models (60°) or (20° & 60°) or (20°,60°,85°) Haze surfaces measure enable for models (20° & 60°) or (20°,60°,85°) only Measurement Unit: GU (Gloss) and % (Reflectance) Multi-purpose Body for all probes