Hello everybody. This is Jeff at etrailer.com. Today we're gonna take a look at this Dexter Drive-in Grease Cap. Has a 1.986 inch diameter flange and has a zinc finish to it. Now this grease cap is designed for 2,000 pound to 3,500 pound trailer hubs. The grease cap is designed to install onto the end of your hub and keeps the grease inside the hub onto your bearings.… see more >