- .504″ — .531″ bore = 12,8 — 13,5mm
- Yellow brass bell: Ø 8 3/8″ = 211mm
- Gold brass leadpipe
- Nickel silver outer slides
- 4 valves (3 top, 1 side action)
- Stainless steel pistons
- Original VINCENT BACH 12C mouthpiece and valve oil
- Light weight case with rucksack assembly
- Clear lacquer finish