Steel Case Gauge 4Z2 1)Dial: 1.5", 2", 2.5", 3", 3. ... /8" 1/4" 1/2" 3)CE Certificate Steel Case Gauge 4Z2are high quality dry gauges design to provide reliableservice on ... and U-clamp.BEZEL MATERIAL:Steel black bezel, steel bezel, chrome plated bezel, brass bezel, steelroll ring (or bayonet threaded ring ... , recalibrators,restrictors, special connections and more. Back Connection Steel Case Gauge 4Z2