The most reasonably priced component used on the Cb600f3 2009 (9) Australia / St Taillight is the Screw-washer 4x16.
The Taillight assembly is constructed from several parts from which the Unit Assy Tail Li is the most expensive.
Parts such as the Taillight: Grommet,rubber, Nut,flange,5mm, Screw-washer 4x16, Rubber Protector are included in the Cb600f3 2009 (9) Australia / St Taillight parts fiche.