PartsSquare 20pcs Fender Liner Fastener Rivet Push Clips Retainer Fastener for BMW Package Content : 20pcs Plastic Rivets Fastener Application: Engine Cooling Fan 0 Retainer (Direct replacement, no need to modify) Size (Head/Stem Length/Stem Diameter/Fit Hole): 15/10/8mm; 0.58/0.39/0.31 inch Item condition: Brand New. Material: Plastic, Nylon