They fit a 7mm hole and are commonly used for securing trim, wheel arch linings, sill covers and plastic guards around the engine bay.
10X WHEEL ARCH LINING SPLASH GUARD TRIM CLIPS FOR TRAFIC CLIO SCENIC MEGANE
10x Wheel Arch Lining & Splashguard Clips for Ford Fiesta, KA & Ecosport 1738233
10X Wheel Arch Lining Mudguard Trim Fixing Nut A2109900050 For Mercedes-benz
10X WHEEL ARCH LINING SPLASH GUARD CLIPS FOR NISSAN 8MM TRIM CLIPS 0155309321
FIT CITROEN 10x Wheel Arch Lining, Under tray/Splashguard Plastic Rivet Clip
10X WHEEL ARCH LINING TRIM SCREW RIVET TYPE CLIPS FOR HYUNDAI KIA 8659028000