Silent Hitch Pin Let's Go Aero SHP359 for 2 Inch Hitch 5/8 inch anti-rattle pin designed for 2 inch hitch receivers with Class II, III, IV tow ratings Removes shock loads and noise from the hitch connection Super-duty steel spring nut and pin removes shock loads from the hitch connection Chrome coated steel, stainless washers for corrosion-free performance Transferable to any 2 inch tow device that is hollow