Curt Manufacturing 21403 Towing Wiring 1/2" diameter pin fits 1-1/4" x 1-1/4" receiver tubes Secures ball mounts and other receiver tube inserts Grooved pin allows clip attachment at any angle, and bent handle provides an easier grip Protected by a durable zinc-plated finish Before towing, be sure the hitch pin is in place and securely fastened with the clip