Tuba de cilindros em DO, 4 pistões rotativos, lacada.Estojo incluido.Campânula de 426mm e tubagens de 21mm. Rotary Tuba - MP Model Tuning = C System = 4-rotary keys Bore size = 21.00mmBell size = 426mmClear lacquer finishedw/ carrying case4-rotary keysRod-ends with ball bearingSemi-hard case