You are buying twenty five (25) NEW fasteners. They are nylon screw grommets used various years & models of Chevrolet, Buick , Pontiac and Oldsmobile vehicles. These nuts fit into a 11/32" square hole and take a #8 screw (screws are NOT included). They have a 17/64" stem length and head size of 17/32.
These are can be used for headlight bezel doors, grilles , side markers.  

Please compare your application to the photos and size we have provided as we do not have all the body codes. Contact us before you purchase if you have any questions. Please note that these nuts are "headlight bezel nuts" NOT "headlight adjusting nuts".