The most reasonably priced component used on the Cn250 Helix 1997 (v) Switzerland Kph Inner Box is the Screw-washer,5x12.
A sample from the products for the Inner Box include: Rivet,plate, Pin,lid Inner Box, Bolt Flange 8x16, Visor,l.side.
This schematic depicts all components used in the Cn250 Helix 1997 (v) Switzerland Kph Inner Box partslist.