B&S 3137-S Challenger I S
- 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 luxury case and mouthpiece
- Made in Germany
|Bore Size||Medium Large|
|Leadpipe Material||Gold Brass|
|One Piece Design||Yes|
|Incl. Case / Gigbag||Yes|
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