Stainless Steel Bearing Protector Cap for Boat Trailers 1.980 Inch with Dust Cover 4Pcs Features： 1、Sturdy Construction: Stainless steel and aluminum alloy construction of this bearing protector offers high strength and exceptional durability, capable of handling heavy loads, resistant to rusting and erosion, extending the lifespan. 2、Enhanced Shield: These covers provide excellent shielding on both sides, keeping lubricant in and contaminants out. They prevent water and grease from entering, enhancing the performance of your bearings. 3、Improved Performance: With their enhanced functionality and comfort, these bearing protector covers help to reduce friction and noise, providing a smoother performance for your boat trailer. 4、Excellent Replacement: These bearing protector caps can directly replace your old or damaged caps, restoring the functionality of your bearings and meeting various repair and maintenance needs. 5、Easy Installation: The wheel bearing protector features simple and convenient installation without hassle, no complex tool or special steps required, a must have tool for improving trailer bearing performance. Specification： Item Type: Boat Trailer Bearing Protector Cap Size: Approx. 1.980in / 50.3mm Fitment: Suitable for Boat Trailer Package List： 4 x Bearing Protector