The most expensive part in this assembly is the Cap,tool Holder.
This TOOL HOLDER (MODEL K5/K6/K7/K8) assembly utilises three Spacer,tool Holder(s) - the highest specified component.
The component with the lowest price in the TOOL HOLDER (MODEL K5/K6/K7/K8) schematic is the Washer (6.5x22x1.6).