Product Introduction：
(1) 4PCS 2.72" Trailer Hub Cap,Trailer Axle Bearing Dust Cap Cup Grease Cover with 8 Rubber Plugs,
(2) Bolt Metal Trailer Axle Wheel Bearing and Hub Dust Caps for Most 7000 to 8000 Pound Axles Dexter
(3) (Pack of 4) Grease Caps, 2.72", with Rubber Plugs for 8 Lug Hub, Trailer Axles
(4) Specs - Inside Diameter: 2.64", Rubber Ring Diameter: 1.125".
(5) Includes - (4) Grease Caps & (8) Rubber Plugs
(6) Typically fits 8 Lug Hubs, 5,000-8,000 lb. Axles with EZ Lube Spindles
(7) For Accu-Lube and Posi-Lube Trailer Axles 
(8) Package Includes: Set of 4 + 4x Extra Rubber Plugs