1Complete Kit: This kit includes the necessary components for a complete and hassle free installation. From the inner and outer cone bearings to the grease seal and grease cap with rubber plug, cone wheel nuts 1/2in ?20 thread. 2Excellent Bearings: The kit features durable L68149 inner cone bearing and L44649 outer cone bearing, which are known for their excellent load bearing capacity and long lifespan. These bearings ensure smooth and reliable operation for your trailer wheels. 3Efficient Lubrication System: With the included grease seal and grease cap, this kit provides an efficient lubrication system to keep your trailer wheels running smoothly. Effectively keeps grease in and contaminants out, ensuring optimal performance. 4Secure Fastening: The set includes 5 cone wheel nuts with a 1/2in?20 thread, allowing for easy installation and secure fastening. The included cone wheel nuts provide a secure and reliable connection between the trailer axle and the wheel hub. 5High Reliability: Specifically designed for 3500lb trailer axles, making it suitable for a wide range of trailers in the market. Whether you have a utility trailer, boat trailer, or camper, this kit will provide the necessary components to keep your wheels rolling smoothly and reliably.