It can well protect the license plate - made of materials, it is sturdy, -, rust- and weather-. The matte black screw cover keeps your license plate clean and tidy at all times. It adopts a tamper-proof design - the top of the disk head screw is a hexagonal button head with a pin in the middle. An Hex wrench cannot install or remove these screws. You need to use the anti-theft wrench provided by us. Anti-theft screws can keep thieves away from your license plate. Large-head screws are suitable for license plates with large hole diameters. In the fastener kit, we provide all the hardware needed to fix the license plate: self-tapping screws, nylon inserts, screwdrivers, black caps and washers. Long screws are suitable for the combined installation of most types of label boards and frames, and are compatible with motorcycles, cars, trailers and trucks. Self-tapping screws with square nylon inserts are used for the front bumper or the trunk with pre-drilled holes The license plate pad can be adhered to the back of the metal license plate to prevent direct contact with the vehicle body, avoid scratching the car paint , and reduce the vibration and noise of the license plate. name: Licnse plate screw kit Material: Plastic + metal Color: As Shown Suitable for the front bumper Applicable vehicle models: All US-spec vehicles are compatible Package Contents: 1 set Licnse plate screw kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.