bB Key General Grade 4 Pistons Sousaphone(SS-G340G)
Product Description
| Key：bB； |
| Material：Yellow Brass Body，Cupronickel tuning pipe(outer)； |
| Piston：Cupronickel； |
| Size：Bore size 18.5mm，Bell DIA.660mm； |
| Finish：Gold Lacquered； |
| Case：Premium case. |
| Key：bB； |
| Material：Yellow Brass Body，Cupronickel tuning pipe(outer)； |
| Piston：Cupronickel； |
| Size：Bore size 18.5mm，Bell DIA.660mm； |
| Finish：Gold Lacquered； |
| Case：Premium case. |