Item Type : Fastener & ClipMaterial : PlasticColor : Black40 PCS Car Stuff Bumper Holes Hood Plastic Push Screw Rivets Interior Fixing Parts Automobile General Fixing Parts Car Stuff100% Brand New and High QualityThey can be used on buses, trains, planes, truck, cars.Car good accessory, commonly used for fitting side skirts, bumpers and otherThese rivet fasteners are made of plastic material, suitable for car use.Push in type, are made of the plastic material, fit 8mm-10mm diameter hole.Specifications:Material: PlasticColor: BlackSize:Quantity---Fit Hole Size----Head Diameter---Stem LengthFitmentType1---10Pcs--9mm/0.35inch----18mm/0.71inch---28mm/1.1inchType2---10Pcs--8mm/0.31inch----20mm/0.79inch--20mm/0.79inchType3---10Pcs--10mm/0.39inch--20mm/0.79inch---13mm/ 0.51inchType4---10Pcs--7.5mm/0.3inch--19.6mm/0.77inch--9.5mm/0.37inch4 Types POM RivetsCars good accessory, used by many manufacturers to hold all pieces of trim and upholstery including carpet, door cards, roof lining, engine covers, landing panels, boot linings, wheel arch linings etc.Package Included: 40PcsNotice:1. Please allow 1-3mm error due to manual measurement.2. The colors may have different as the difference display, please understand.