These are push fit rivet style clips used by many different manufacturers for interior or exterior fixing. This is the same clip as used by Honda and Toyota to hold the wheel arch linings in place on vehicles such as the Jazz, Civic, CR-X etc. The clip expands when the head is pushed in and holds firmly in place. They can be used for fixing sills, undertrays, bumpers and wheel arch linings, interior boot linings, carpets, dashboards and all interior trim. They are suitable for a 7 or 8mm hole. Please check the dimensions above to ensure they are suitable.