The LXJZCP 2.44-inch Trailer Axle Dust Covers are designed to provide reliable protection for trailer axles from dust, dirt and moisture. Constructed of durable carbon steel, these covers provide heavy-duty corrosion and abrasion resistance to extend the life of your trailer axle. These dust caps are perfect for 6K and 7K galvanized axles and will work with most other brands of dust caps. Simple to install, simply screw the cover onto the axle to protect the wheel bearings and keep them lubricated. Suitable for all types of trailers, including boat trailers and utility trailers, these covers prevent grease leakage and ensure optimum axle performance. The galvanized finish of these dust caps not only provides excellent protection, but also adds an elegant look to the trailer. Purchasing these reliable and durable dust caps will ensure a long life for your trailer.