Feature: 1. Stainless steel material: Made of stainless steel material, it is corrosion-resistant and not easy to rust after long-term use, ensuring the durability and stability of the product. 2. Protect bearings: Effectively protect hub bearings, reduce the occurrence of bearing failures, extend the service life of bearings, and save the cost and time of bearing replacement. 3. Wide application range: with a diameter of 1.98 inches, suitable for most 4 and 5 bolt/lug wheels, suitable for various vehicles such as marine trailers and RVs, and has a wide range of applicability. 4. Waterproof and anti fouling: effectively prevents water and dirt from entering the interior of the wheel hub and bearings, maintains the cleanliness of the wheel hub and bearings, reduces maintenance and cleaning frequency, and improves usage efficiency. 5. Simple installation: Easy to install, just simple operation to complete the installation, saving time and effort, convenient and fast. Specification: Features: Stainless steel material: Made of stainless steel material, it is corrosion-resistant and not easy to rust after long-term use, ensuring the durability and stability of the product. Protect bearings: Effectively protect hub bearings, reduce the occurrence of bearing failures, extend the service life of bearings, and save the cost and time of bearing replacement. Wide application range: with a diameter of 1.98 inches, suitable for most 4 and 5 bolt/lug wheels, suitable for various vehicles such as marine trailers and RVs, and has a wide range of applicability. Waterproof and anti fouling: effectively prevents water and dirt from entering the interior of the wheel hub and bearings, maintains the cleanliness of the wheel hub and bearings, reduces maintenance and cleaning frequency, and improves usage efficiency. Simple installation: Easy to install, just simple operation to complete the installation, saving time and effort, convenient and fast. ​​Specifications: Item: Trailer Bearing Buddies Material: Stainless Steel, Silicone Protective Sleeve Color: Silver, Black Size: 1.98inch Package Size: 23*7*7cm Package Weight: 900g Package List: 4* Trailer Bearing Buddies Package List: 4* Trailer Bearing Buddies