GREPSPUD Galvanized 2 Sets 3500 LBS 5 Studs 4.5'' Bolt Circle Trailer Hub Kit · Fit for 3500 lbs 1-1/16'' to 1-3/8'' #84 Tapered Axles/Spindles. · All parts are pre-installed, very easy to install compared to hubs that are not pre-installed. · The wheel hub surface is hot-dip galvanized, providing a thicker coating and great corrosion resistance compared to black spray painting. PACKAGE INCLUDE: 2 X 5 bolt 4.5'' Galvanized Hubs, 2 X L44649 Outer Bearings (I.D: 1-1/16''), 2 X L68149 Inner Bearings (I.D: 1-3/8''), 10 X Lug Nuts (1/2''-20 thread), 2 X Metal Washers (I.D: 1"), 2 X Spindle nuts (I.D: 1"), 2 X Grease seals (171255TB, 1.72'' I.D, 2.56'' O.D), 2 X Cotter Pins (Length: 2.4"), 2 X Dust Caps (O.D: 1.98''), 2 X Dust Cap Rubber Plugs