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Because those parts are for automotive industry I can't show you the full photo of the pieces. Basicly it is a half of cm thick metal sheet cut in the designed form. It has a few holes with,and few holes withouth tread. They were placed in a specially designed box, which enables the pieces safe transportation to the customer. More info would bring me in trouble.😉

Ha, ha, ha! Thank you for the extra information @emmamia. It sounds like you made a very interesting find! 😁