This is a Brand New great looking and sounding Bass Trumpet, Key of Bb, Piston Valves have a 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,Curpronickel Tuning Pipe * Surface: Silver Nickel Plated * Piston 3 valves * Bell diameter:155.00mm * Bore size: 11.66mm * Key of Bb * Beautiful Silver Nickel surface, perfect intonation, professional quality. approved! Accessories: * Free Professional hard case * Free Silver plated Mouthpiece * Free white gloves.cleaning cloth...Etc.