Yamaha YBL 421 GE Bass Trombone

Gold lacquer finish, Intermediate Model, bore: 14.3mm (0.563"), Gold-brass bell: 241.0mm (9-1/2"), Mouthpiece: 58, included case.
Made in: China
ML Bore: 14,3 mm
Bell Diameter: 241 mm
Tuning Type: Bb, F
Type: Tenor Trombone