B&S 3137-S Challenger I Bb-Trompete S
B&S 3137-S Challenger I S, Trumpet, Light metal Stössl -weight-saving, Low noise plastic cross guide with concealed barrel-shaped spring guide, Special Monel with self-lubricating property, Stop nut on the 1st valve slide, Valve body in one piece, Divided 3rd valve with ring (see also Fig. 3), Fixable tension fastener ""Educational Slide Stop"", Lower valve cover with internal groove for drip protection, One-piece bell with longitudinal seam, Bell edge beaded with nickel silver wire, 11.66 mm ML bore, Brass bell diameter 121.5 mm, Exterior drawers in nickel silver, Monel valves, Two water keys, Silver plated brass, Includes ICON 7C mouthpiece and luxury case, Made in Germany
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