B&S Trumpet BS3005WGT-1-0
Key : Bb.
Series : Challenger 1.
Bore : .459" / 11,66 mm ML bore.
Bell : 4.782" #37 yellow brass.
Valves : 3 top-sprung hand-lapped Monel pistons.
Water keys : 2 lever-style, forged (main tuning and 3rd valve slide).
Finish : Clear lacquer, silver plated or gold lacquered.
Case : Hard wood-shell.