A.Courtois Legend 420B ternor trombone
Key : Bb/F.
Bell :8.46" / 215 mm one piece yellow brass.
Bore : .547” / 13,89 mm.
Slide : Yellow brass with fixed brass lead pipe.
Features : Closed wrap standard rotor.
Finish : Clear Lacquered.
Case : Deluxe countoured case and accessories.