Detailed Product Description General Service Pressure GaugeCase sizes: 1.5", 2", 2.5", 3.5", 4", 4.5", 6", 8", and 10" Case material: steel case, steel black case, steel chrome plated case, steel gold plated case, brass polished case, stainless steel case, all this can take with front flange, back flange and U-clamp. Bezel material: steel black bezel, steel bezel, chrome plated bezel, brass bezel ...