The correct benefit is: Protects boat trailer and hub bearings from corrosion by providing a clear visual indication of when new bearings are needed.
Bearing Buddy Caps - Trailer Bearing Dust Cap Protector for Trailers - Chrome Buddy Bearing Caps of 1.980" Diameter - Bearing Buddies for Trailers to Keep Water and Dirt out of Hub and Bearings-2Pairs
2pcs 1.98in Bearing Buddy, KIMISS Stainless Steel Bearing Protectors Lubricators Buddy Bearing Caps Universal for Trailers Boats
Buachois Wheel Bearing Buddy,2 pcs 1.98in Bearing Buddy Stainless Steel Boat Trailer with Protective Bra Wheel Center Hat Lubricators Universal for Trailers Boats
Bearing Buddy (4) 1.980 Boat Trailer Genuine CHROME with Protective Bra & Auto Check 1980A 42202 (2 Pairs)
Bearing Buddy Bearing Buddy® Stainless Steel Bearing Protectors (1.980) with Auto Check With Bras - Pair
Bearing Buddy Stainless Steel Bearing Protectors (1.980" Diameter) with Bras - Pair
