Oboe Bass Fossati
| System(s) | Semi automatic Système auto |
| Body | Cocobolo |
| Keywork finishing | Silvered and Rhodium plated Leather pads on the low notes |
| Specifications | F left key F fork resonance 3rd octave key |
| Fossati’s innovations |  Double tenon ringNew “Aera” tenon capOne trill key system2nd octave stopRhodium plated |
| Trill keys | All trills |
| Case | Professional case with case cover |
