Features: Made from metal material, these screws ensure a tight and secure fit, eliminating any rattling noises. These screw bolt retainers are made of metal material,suitable for car use. Placement on Vehicle: Car liner, Front wheel arches, under engine splashes guards bottom shields fixing screws. Durable ,service for long time,abrasion resistant. Easy installation. Specifications: Material:Metal Quantity:20Pcs,30Pcs Package Includes: 20Pcs or 30Pcs Torx Screw note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.