The Screw, Tapping (1la) is the lowest priced item on this Flasher Light schematic.
The sub assemblies and components that make up this Flasher Light include this Rear Flasher Light Assy 1, the most expensive part.
A sample from the products for the Flasher Light include: Lens, Flasher 2, Lens, Flasher, Screw, Tapping (1la), Lens, Flasher.