Small Fender Flare Hardware Sold individually Kit includes: (1) Beauty Washer (1) M5 threaded insert (1) bolt Well nut requires a 9mm hole (1mm thick flange) Riv nut requires a 7mm hole and tool for installation (not included) Beauty Washer 11mm O.D. x 7mm (washer will take up 3mm of bolt thread) Fasteners available in stainless steel and black zinc 12.9 class Various lengths of bolts available 6061 billet aluminum anodized Beauty Washer* Please use the info above to determine if they will work for your fender flares.