... Description Bourdon Tube Pressure Gauge with Glycerine Filling(Dia. 63,100,150mm Acc.1,6)Dia.63mm100mm Crimped ring100mm Bayonet ring150mmCaseSt ... .St. with wrap-up ringSt.St. with wrap-up ring ... -whitePointerAluminium-blackOptionsfront flange, back flange, three-cornered ring with u-clamp-fixing, internal stationary red pointer, maximum ...