I would like to know which components I will need to reverse engineer the mechanism, the plan is to build a pair of custom handles of my design (yet to be determined) for my car. Once that is done and I have the geometry of the working mechanism and know the working envelope size of the handle it self I could machine customs of similar or different design for other people as well. Costs, I have no Idea but I would be machining them more than likely from 6061 Aluminum and at the moment don't know if they would require adding any wear components. With the aluminum you can polish, paint, anodize, or plate (chrome

Brian