The Rein Lug Bolt Kit (Set of 20) - 474278 is a comprehensive kit of products designed for servicing a car's lug bolts. It includes 20 lug bolts, which are essential components for securing a car's wheels to the axle hub. The kit also includes various other contents such as lug bolt covers, washers, and nuts, which are all necessary for proper installation and maintenance of the lug bolts. These products come in a set of 20, providing enough quantity for a full replacement or upgrade of a car's lug bolts. This kit is suitable for various car models and can be used for both repair and maintenance purposes.