DESCRIPTION These fastener rivets made of nylon material sturdy and durable as your wish. Excellent expansion of no less than 0.2 inch Universal fits 8mm auto frame holes Variously used for door trim, car panel, bumper compatible with Car Auto Body Push-type plastic clips dimensions: Head Diameter: 20mm/ 0.8 inches; Stem Length: 22.8mm/ 0.9 inches Always offer the best service for our customer. If you have any problem about our plastic push rivets, please feel free to contact us and then we will deal with it as soon as possible. SKU: FTVRI001 FITMENT 8mm/ 5/16” Hole Size. GM #21030249, Ford #N807389S & Chrysler #6503598 These Push-Type Retainers are used for bumpers, fenders, door trim panels, interior trim panels, and so on various trim panels on UTV, ATV, Cars, Truck, Motorcycles, Buses, etc.