Some items from this specific schematic: Bracket No Plate, Bulb,stop & Tail 6v 21/5w, Bolt,hex 5x25, Tial-light,cord.
The component with the lowest price in the TAILLIGHT (2) schematic is the Bolt,hex 5x25.
The Bolt-washer, 6x12 is the most widely applied product in the C70Z CUB 1977 ENGLAND / MPH TAILLIGHT (2) ( three times ).