The component with the lowest price in the Reflectors(CN) schematic is the Nut,flanged,5mm.
three components are shown in this Kvf360-abf Prairie360 2011 Usa / 4x4 Reflectors(cn) exploded diagram.
A sample from the products for the Reflectors(cn) include: Reflector,reflex, Nut,flanged,5mm, Reflector-reflex.