... U Clamp Pressure Gauge 4J2 1)Dial: 1.5", 2", 2.5", 3", 3.5", 4", 6" 2)Connection size: 1/8 ... " 1/4" 1/2" 3)CE Certificate U Clamp Pressure Gauge are high quality ... all this can take with front flange, backflange and U-clamp.BEZEL MATERIAL:Steel black bezel, steel bezel, ... all this can take with front flange, backflange and U-clamp.BEZEL MATERIAL:Steel black bezel, steel bezel, ...