B&S 3146/2-GL Brochon Challenger II Flugelhorn, model Brochon, brass body, 10,40 mm (0.409") ML-bore, Ø 150 mm (5.905") brass bell, monel valves, 3rd slide trigger, nickelsilver outerslides, 2 waterkeys, goldlac lacquered, incl. mouthpiece and luxury case