This 2- in. receiver hitch plug from Rugged Ridge covers the hitch hole to prevent the receiver hitch from rusting. This 2- in. receiver hitch plug from Rugged Ridge covers the hitch hole to prevent the receiver hitch from rusting. This 2- in. receiver hitch plug from Rugged Ridge covers the hitch hole to prevent the receiver hitch from rusting. This rubber hitch plug from Rugged Ridge fits all 2-inch receiver hitches and has a cap for a 4-pin wiring plug. This 2-inch receiver hitch plug from Rugged Ridge covers the hitch hole to prevent the receiver hitch from rusting. This 2-inch receiver hitch plug from Rugged Ridge covers the hitch hole to prevent the receiver hitch from rusting. This 2-inch receiver hitch plug from Rugged Ridge covers the hitch hole to prevent the receiver hitch from rusting.