... : 1.5", 2", 2.5", 3", 4" and 6" Case material: stainless steel case, it can take ... with front flange, back flange and U-clamp Bezel material: stainless steel bezel, stainless ... steel roll ring or bayonet ring Tube and socket: phosphor bronze and brass Movement: brass Liquid: glycerine or ... ASME B40.1 Grade B (3-2-3%) Options and accessories: custom dial, metric scale, DIN 2.5% accuracy, ...