A sample from the products for the Winker include: Winker Assy.,r.rr, Clamp,tube (a), Screw,tapping,, Screw-wash,5x12.
The Screw-wash,5x12 is the lowest priced item on this Winker schematic.
The Winker assembly is constructed from several parts from which the Winker Assy.,r.rr is the most expensive.