B&S Challenger I Trumpet BS3137-S
B&S Challenger I 3137 Silver Trumpet with Case
Key : Bb
Bore : .459"
Bell : 4.782" #37 lightweight yellow brass
Valves : 3 top-sprung hand-lapped Monel pistons
Water keys : 2 lever-style, forged (main tuning and 3rd valve slide)
Finish : Silver Plating
Case : Single/hard wood-shell
Accessories : Mouthpiece, valve oil, slide grease, cleaning cloth and rod
Features : Standard gold brass lead pipe, long screw stop on 3rd valve slide, thumb saddle for 1st valve slide, quiet felt valve cap in-lays, o-ring dampeners for 1st/3rd slides.