Marcinkiewicz Bobby Shew mouthpiece for flugelhorn, couesnon shank !, outside cup diameter 26,97 mm (1,062 in.), inside cup diameter 16,74 mm (0,659 in.), cup depth 15,90 mm (0,626 in.), drill venturi 4,39 mm (0,173 in.), length 72,64 mm (2,860 in.), medium round rim, silver plated, comparsion with the Bobby Shew models