These track caps are silver, general and simple, fits vehicles in different coloursInstallation only requires screws on tyre stem; theis also easy to install or if you want to checkair pressureFits all standard stem systems and any tyreshaft covered, is equipped with a insert to ensure airtight seal andcorrect fit, isThe wheel tyre caps are addition tocar, which is a good direct replacement forbroken capTheshaft covers are made of aluminium, which is robust and durable, can provide you with a long timePackage Including1