Let's Go Aero (SHP 2081 Class I Lockable Silent Hitch Pin 1/2 inch anti-rattle pin supports 1.25 inch hitch receivers with Class I and II tow ratings Heavy-duty steel spring nut and pin removes distracting noise from the hitch connection Chrome coated steel, stainless washers for corrosion-free performance Lockable using a 1/4 inch (lock not included) Transferable to any 1.25 inch towing device that is hollow