ZBT 1570 T Bb/F Large Bore Tenor Trombone

Key of Bb/F, .547" Bore Slide, 8 1/2" One Piece Bell Diameter, Brass, Bronze or Copper Bell, .562 F Attachment, Genuine Thayer Valve, Double Trigger, Interchangeable Mouthpipes.
Available in lacquer finish or silver plate. Other finishes are special order only.