Ultra-Tow XTP Receiver Hitch Starter Kit - Class III, 2in. Drop, 6,000Lb. Tow Weight, Hitch Pin and Clip Special Channel system design prevents hitch from rusting into the receiver Built-in lockrail system allows you to tighten or loosen the hitch ball using a single wrench Use with any flat wrench hitch ball with 1in. shank dia. Tough steel construction handles the tough towing jobs Special XTP 2-Coat System comprised of an E-coat base with black powder-coat finish for exceptional rust resistance