... " 1/4" 1/2" 3)CE Certificate Panel Mounting Pressure Gauge 4Z2U are high quality dry gauges design to provide reliableservice ... bezel, steel bezel, chrome plated bezel, brass bezel, steelroll ring (or bayonet threaded ring), type: snap on, roll ringTUBE&SOCKET: steel with ... .5%,1% accuracy, recalibrators,restrictors, special connections and more. Crimped Ring Panel Mounting Pressure Gauge 4Z2U