PartsSquare 30pcs Fender Liner Fastener Rivet Push Clips Retainer for Buick Cadillac Chevrolet GMC Oldsmobile Pontiac Package Content : 30pcs Plastic Rivets Fastener Application: Front Bumper, Trim, Rear Lamps, Body Moldings, Rear Compartment Hardware, Spare Wheel Carrier Retainer (Direct replacement, no need to modify) Size (Head/Stem Length/Stem Diameter/Fit Hole): Large Head: 9.5/13/6mm; Large Head: 3/8/1/2/7/32 inch Item condition: Brand New. Material: Plastic, Nylon