Bach TB503B Bb/F Bb / F trombone

Bb/F Tenor Trombone. This instrument features F-attachment, Open-Wrap, 547' bore = 13,9 mm, Yellow brass bell, Ø 8,5" = 216mm, Chrome-plated nickel-silver inner slides, Nickel silver outer slides, Clear lacquer finish, Original VINCENT BACH 6 1/2 AL mouthpiece and slide cream, Light weight case with rucksack assembly.