The most reasonably priced component used on the Ct70 Trail 70 1977 Usa Seat / Tool is the Bolt,hex., 6x16.
This Seat Assy. is the most expensive of the items that make up this Seat / Tool assembly.
Some items from this specific schematic: Catch Comp.,seat, Seat Assy., Nut,hex.,6mm, Spanner, 10x12.