About this item Size: These lug nut caps are suitable for any automobile wheel with a diameter of 19 mm /0.75 inch. Before ordering, please measure the bolts and car model. Function: Improve the smoothness of wheels and protect the bolt heads from corrosion or rust. Material: These lug nut covers are made of high-quality plastic material. The wheel lug nut bolt cover is very suitable for your car, which improves the appearance of the wheel. Feature: Universal Car Wheel Lug Nut Cover. Protecting and decorating the wheel bolts of automobiles. Easy to install: Easy to install, just press the nut covers straight to the bolts. The tools is easy to remove.