YFG-812/812C Bassoons Tidak Dilanjutkan
1. Right-hand top F# roller
2. Right-hand thumb F# rollers
3. Right-hand E rollers
4. Right-hand Bb roller
5. Right-hand pp slide system
6. Right-hand Eb trill key*
7. Left-hand rollers for C# & pp
8. Left-hand low C & low D rollers
9. Left-hand Eb trill key*
10. Joint hinge
11. A-pp arm connecter
12. Silver tonehole tubes
*Please note that either 6. or 9. may be ordered, but both cannot be installed on the same instrument.