You are buying twenty (20) NORS Auveco fasteners. They are round headed brown capped push in fasteners for Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac and GMC vehicles. They have a 17/32" diameter head. 31/32" overall length (under head) and push into a 9/32" diameter hole. The stem is 1/2" wide at the widest point.
