Amazon.com: (4) 2.441 Stainless Steel Boat Trailer Bearing Buddy with Protective Bra - Wheel Center Caps 2441-SS (2 Pairs) : Automotive
Amazon.com: Bearing Buddy (2) 1.980" Stainless Steel with Protective Bra & Blue Auto Check Feature for Boat Trailer Wheel Center Caps 1980A-SS 42208 (1 Pair) : Automotive