This is a Brand New great looking and sounding Rotary Piston Bass Trumpet, Key of Bb have a Very good qualty, type in tune ,suitable for the advanced or professional musical players. This well crafted hand made instrument, and made from all new heavy gauge yellow brass material. With decades of experience behind the manufacture of this fine instrument, you can be absolutely confident in its performance and durability. . * Condition:Brand new * Material: High grade yellow brass * Surface: Silver Nickel * French Engineering, large bell has a powerful sound * Bell diameter:155.00mm * Bore size: 11.66mm * Key of Bb * Beautiful Silver Nickel surface, perfect intonation, professional quality. approved! Accessories: * Free hard case * Free Silver plated Mouthpiece * Free white gloves.cleaning cloth...Etc.