Parts such as the F-13: Bolt-wash.,6x16, Rod Holder A, Fender,rr.inner, Bolt,flange 6mm are included in the Nps50 Zoomer 2006 (6) Japan Af58-150 F-13 parts fiche.
The component with the lowest price in the F-13 schematic is the Bolt-wash.,6x16.
The F-13 assembly is constructed from several parts from which the Fender,rr.inner is the most expensive.