The Washer(6.5x20x1.6) is the lowest priced item on this Frame Cover schematic.
Some items from this specific schematic: Cover,side,l(white), Cover,side,r(white), Washer(6.5x20x1.6), Clamp(l:150).
The sub assemblies and components that make up this Frame Cover include this Cover,side,r(white), the most expensive part.