Mouthpiece for french horn 336 (various models) Model cup depth cup diameter Bore 3 medium 17.60 mm 4.50mm 7 medium 17.25 mm 4.50 mm 7S medium 17.25 mm 4.62 mm 10 deep 16.80 mm 4.50 mm 11 medium 16.55 mm 4.50 mm 15 medium 16.50...