YFG-812/812C Bassoons
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1. Right-hand top F# roller
![](/en/files/special_orders_2_88eb744fab103803a8895d6808024783.jpg?impolicy=resize&imwid=240&imhei=109)
2. Right-hand thumb F# rollers
3. Right-hand E rollers
4. Right-hand Bb roller
![](/en/files/special_orders_5_e428cce1480ca5912ef64238dd58995c.jpg?impolicy=resize&imwid=240&imhei=109)
5. Right-hand pp slide system
![](/en/files/special_orders_6_f17346d05d449f51d85afa4cb235a820.jpg?impolicy=resize&imwid=240&imhei=109)
6. Right-hand Eb trill key*
![](/en/files/special_orders_7_91aff1571a10a0976928c8c7e2e612c4.jpg?impolicy=resize&imwid=240&imhei=109)
7. Left-hand rollers for C# & pp
8. Left-hand low C & low D rollers
![](/en/files/special_orders_9_1563fe3b960f58c8dc37b537b2c7d36e.jpg?impolicy=resize&imwid=240&imhei=109)
9. Left-hand Eb trill key*
![](/en/files/special_orders_10_51335a7563541d5f4525521e38aa558a.jpg?impolicy=resize&imwid=240&imhei=109)
10. Joint hinge
![](/en/files/special_orders_11_add49d1f816bc83c51ff1d795db289fe.jpg?impolicy=resize&imwid=240&imhei=109)
11. A-pp arm connecter
![](/en/files/special_orders_12_cff40063854f953fbc9cc5bafbdf343f.jpg?impolicy=resize&imwid=240&imhei=109)
12. Silver tonehole tubes
*Please note that either 6. or 9. may be ordered, but both cannot be installed on the same instrument.