** Item Specific Details ** dent repair to bell tail, bell flare lightly scratched ** B&S instruments are known for their excellent acoustic properties, ease of performance, flawless mechanics and impeccable beauty. The 3137 Challenger I Series Bb Trumpet comes in the key of Bb with a 4-13/16 in. hand-hammered one-piece bell, .459 in. medium large bore, Monel pistons, boxed bronze springs, nickel-silver outer slides, and 3rd valve slide stop. Includes deluxe wooden case.