You are buying twelve (12) NORS Auveco fasteners. They are universal/general purpose moulding clips with mastic sealer and nuts with mastic sealer for Chrysler, DeSoto, Dodge, Plymouth, Jeep & AMC that have a 1/2" to 5/8" wide moulding. The clips have a .812" long x .330" wide top plate with a 10-24 threaded stud that is 11/16" long. The clips are NORS Auveco and have a NEW 1/8" thick mastic sealer. The mastic sealer nuts are NEW stock and have a 3/8" hex and a 1/2" diameter flange.
These clips have a silver dacro 500 hour salt spray coating.
You can seal out moisture from both sides of your body panel with sealer on the clip and the nut.