On this parts fiche the Bolt(6x16) is the most specified component.
A sample from the products for the Rear Fender include: Tool Assy, Mudguard,rr Fender Fr, Band, Fender,rear.
The Gsf600s Bandit 1998 (w) Usa (e03) Rear Fender consists of eight pieces with the Fender,rear being the most expensive.