Description Designed to provide protection, these rubber dust caps are crafted to shield trailer axles and wheel hubs from water, dirt, and debris. Their construction allows lasting performance, while the snug fit prevents grease leakage, keeping your trailer components clean and well-maintained during every journey. Features -Color:Black -Material:Rubber -Size:3.70X3.70X0.80cm/1.45X1.45X0.31in -Waterproof protection: designed to effectively block rainwater, these caps safeguard the trailer axle and wheel hub from daamge, allowing lasting durability in various weather conditions -Waterproof design: prevents particle and debris from entering the wheel hub, maintaining cleanliness and reducing wear, which helps extend the lifespan of your trailer's components -Rubber material: made of rubber, these trailer hub grease caps are flexible and wearresistant, adapting to rough terrains and allowing stable performance during travel -Sleek black appearance: the stylish finish enhances the overall look of your trailer, adding a touch of sophistication and complementing its design -Easy installation: quick and hasslefree to install or remove, these trailer hub caps simplify routine maintenance and inspections, saving time and improving efficiencyPackage list: 12 x trailer hub caps