PartsSquare 20pcs Fender Liner Fastener Rivet Push Clips Retainer for Buick Cadillac Chevrolet GMC Oldsmobile Pontiac Package Content : 20pcs Plastic Rivets Fastener Application: Trim, Door Trim, Panel, Audio System Speakers, Door Hardware, Liftgate Hardware, Center Pillar, Quarter, Door & Quarter Retainer (Direct replacement, no need to modify) Size (Head/Stem Length/Stem Diameter/Fit Hole): Bottom:22 Top:23/19/8mm; /Bottom:7/8 Top:29/32/3/4 inch Item condition: Brand New. Material: Plastic, Nylon