PartsSquare 50pcs Fender Liner Fastener Rivet Push Clips Retainer Fastener Replacement for Buick Chevrolet GMC Package Content : 50pcs Plastic Rivets Fastener Application: Door Panel Retainer (Direct replacement, no need to modify) Size (Head/Stem Length/Stem Diameter/Fit Hole): 14.2/13/6.5mm; 0.55/0.5/0.25 inch Item condition: Brand New. Material: Plastic, Nylon