The component with the lowest price in the SEAT/REAR COWL schematic is the Screw,tapping,4x10.
Some items from this specific schematic: Grip R,rr, Screw,special 6mm, Set Illust*type1*, Nut,spring,6mm.
This schematic depicts all components used in the Cb600f Hornet 2008 (8) France / Type 2 25k Seat/rear Cowl partslist.