The Washer,10mm is the lowest priced item on this Stand/step schematic.
This schematic depicts all components used in the Pk50 Wallaroo 1993 (p) France / Sel Stand/step partslist.
A sample from the products for the Stand/step include: Step Comp, Bolt,flange,8x28, Bolt,flange 8x20, Rub,step.