You are buying tene (10) NORS Auveco fasteners. They are zinc plated nuts with mastic sealer for emblems, script, name plates and moulding clips for Chrysler, DeSoto, Dodge, Plymouth, Jeep and AMC vehicles that have a 1/8" diameter smooth stud. The nuts have a 5/16" hex.  The nuts can have some discoloration due to age but they are fine.

Please note that these nuts are NOT for any specific application and may not be for some of the compatibility applications listed as we do not have all the body codes. Please compare your application to the photos and the sizes that we have provided.