... .1,6)Dia.63mm100mm Crimped ring100mm Bayonet ring150mmCaseSt.St. with wrap-up ringSt.St. with wrap-up ring Option: steel blackMeasuring SystemBrass, Option: St ... , back LensPlexiglasDialAluminium-whitePointerAluminium-blackOptionsfront flange, back flange, three-cornered ring with u-clamp-fixing, internal stationary red pointer, maximum pressure pointer ...