PartsSquare 20pcs Fender Liner Fastener Rivet Push Clips Retainer for Saturn LW300 LW200 LW2 L300 L200 L100 Ion Astra Pontiac G8 Chevrolet SS Caprice Catera Package Content : 20pcs Plastic Rivets Fastener Application: Trim Front Rear Door, Trim Liftgate, Door, Mirrors, Body Side, Back Window Shelf, Seat ASM Retainer (Direct replacement, no need to modify) Size (Head/Stem Length/Stem Diameter/Fit Hole): Top 13 Bottom 17/18/9.5mm; /Top 0.5 Bottom 0.66/0.7 inch Item condition: Brand New. Material: Plastic, Nylon