Class 5 Heavy Duty 5/8" Truck RV Trailer Towing Hitch Ball Receiver Arm Pin Class 5 Heavy Duty 5/8" Receiver Hitch Pin and Clip Class 5 Heavy Duty 5/8" Diameter Hitch Pin and Clip. 5 3/4" Usable Length. Constructed Of Chromatic Plated Steel. Made For Heavy Duty Hitches and Long Enough To Secure The New Wider Hitch Receiver Pockets. Various Other Possible Applications Possible Where A Securing Pin Is Needed.