Description:The cover helps prevent air leakage, rusting and stop dust, dirt, and unwanted objects, it is durable and tough.The cover can both protect and decorate the wheel bolts of your car. It is easy to install, just press the nut covers straight to the bolts.The cover is made of premium plastic, which is durable and tough.The diameters are 17 mm, 19 mm, 21 mm.It is universal for most car tire.Item Name: Wheel Nut CoverMaterial:PlasticSize Details:Size: 19mm/0.78", 17mm/0.68", 21mm/0.81" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:20 X Wheel Nut Covers1 X Clip