Description:These rivet fasteners are made of plastic material, suitable for car use.Car good accessory, commonly used for fitting side skirts, bumpers and other Trim:They can be used on buses, trains, planes, truck, cars.Push in type, are made of the plastic material, fit 8mm-10mm diameter hole. Specifications:Material: PlasticColor: Black Type 1: 10PCSHead Diameter(max.): 20mmStem Length: 9.8mmFit Hole Diameter: 7.7mm Type 2: 10PCSHead Diameter(max.): 19.4mmStem Length: 24mmFit Hole Diameter: 8.7mm Type 3: 10PCSHead Diameter(max.): 19.8mmStem Length: 20.8mmFit Hole Diameter: 10.5mm Type 4: 10PCSHead Diameter(max.): 18.5mmStem Length: 28.5mmFit Hole Diameter: 9.5mmPackage Included:40pcs X Bumper Retainer Note: 1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.2. The color may have different as the difference display, pls understand. More Details: