Nilight Nylon Bumper Fastener Rivet Clips Fender& Bumper Shield Retainer GM, Ford & Chrysler 7mm Hole Retainer Auto Body Clips. It is commonly used for fitting side skirts, bumpers, car fenders, door trim panels, interior trim panels, and various trim panels. With the property of anti-wear and anti-corrosion, the chips would not break or crack easily during use.