... , small size, easy to read. SpecificationsApplication medium: Air and compatible gases.Housing: glass filled Nylon; Polycarbonate ... suitable for 3/16″IDWeight: 170g SpecificationsApplication medium: Air and compatible gases.Housing: glass filled Nylon;Polycarbonate ... device for large engine, compressor, ventilation device and air handling device. FeaturesExperienced magnetic connection2-5/8″ diameter ...