Information about the UFP Stainless Steel Bearing Buddy: Replace the standard dust caps in the center of your trailer's wheels with wheel bearing protectors by Bearing Buddy. Made of stainless steel that's an especially good choice for use in and around salt water, they provide exceptional protection from road debris, dust, water, and other things that might contaminate the lubricated bearings, causing excessive wear. Your bearings are further protected by Bearing Buddy's ability to add lubrication to the bearing without the need to remove the cap at all. And don't worry about knowing when to add more lubricant. When you order these wheel bearing protectors from SkipperMate Marine, you'll also receive a blue ring which acts as a visual indicator of the amount of lubricant inside the hub. For ease of ordering, these bearing protectors are sold in pairs. We make a point of staying well stocked enough to ensure minimal wait times on all of the orders we receive. UFP Stainless Steel Bearing Buddy, pack of two to suit 1.98″ (50.292mm) hubs Bearing Buddy Stainless Steel wheel bearing protectors are sold as a pair They are designed to replace standard dust caps for added protection from water, road debris and any other contaminants This system will also help keep the bearing cavity properly lubricated by allowing grease to be added without removing the cap Includes: Blue ring which acts as a visual lubricant level indicator inside the hub