Vortex Trailer Hub Kit with everything you need to replace a 5 stud hub on a tapered spindle that uses 1-3/8″ and 1-1/16″ bearings. Vortex hub is e-coated for corrosion resistance. Grease fitting on the rear of the hub to ease changing grease without removing the hub. Vortex hub is factory pre-greased, filled with Lucas Marine Grease, and has a reusable screw-on cap. Triple lip seal to keep water out. Kit contains bearings, seal, dust cap, cotter key, and lug nuts.