B&S; MS14KN-L Bb/F-Trombone, Bb- / F Trombone, B&S; Meistersinger series, Model ""Stolzing"", Bore: Ø 13.89 mm, F-attachment bore: Ø 14.5 mm, Bell Ø: 230 mm, Outer slide made of nickel silver, Inner slide made of nickel silver, Red brass bell with nickel silver garland, Gold brass bow, Exchangeable brass lead pipes, Lacquered with clear lacquer, F-attachment with the 3B ball bearing linkages, Asymmetrical main tuning and F-attachment bows, Including mouthpiece, In light soft case, The trombone slides have long cork barrels for superior slide action and more stability on the 7th position, All B&S; ""Meistersinger"" trombones are handmade, Made in Germany