PartsSquare 20pcs Fender Liner Fastener Rivet Push Clips Retainer for GMC Buick Chevrolet Package Content : 20pcs Plastic Rivets Fastener Application: Door Trim Retainer (Direct replacement, no need to modify) Size (Head/Stem Length/Stem Diameter/Fit Hole): 15/16/7mm; / 9/16/41/64 inch Item condition: Brand New. Material: Plastic, Nylon