Features: Great Material - These bumper clips are made of high-quality black plastic material, anti-wear and anti-corrosion, would not break or crack easily during use. One Size Fits Most - for Head Diameter: 20mm/ 0.8 inches; Stem Length: 22.8mm/0.9 inches; Fits Into: 8mm /0.3 inches hole. These universal push-type fastener clips will fit on most of auto parts with 8mm hole, hold your parts very tightly. Push-type Design - Push in type, rivet post pressure expands legs for fast and tight fastening. easy to fasten Bumper for Fender Flare and Mud Flap. Better replacement for original bumper and for fender clips. Multiple Use - Come with 50 pcs car for fender clips that widely used for door trim, radiator shield yoke, for fender, bumper, side skirt, grille, engine cover and splash shield retainers rivet clips for exact replacement of worn, old, and broken retainers. Specifications: Material: Plastic Color: Black for Head Inner Diameter: 10mm/0.39" for Head Outer Diameter: 18mm/0.71" Stem Length: 10mm/0.39" Fitting Hole Diameter: 6mm/0.24" Quantity: 50 Pcs/1 Set Note: 1. Please allow 0-1mm error due to manual measurement. pls make sure you do not mind before you bid 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. No Instructions Included. Professional Installation Is Highly Recommended! No Retail Package Package Contents: 50 x Trunk Retention Clip