Hopkins 48435 6 Pole Round Vehicle Connector Hopkins Manufacturing Corporation makes your towing experience simpler and more rewarding through innovation and value. Hopkins offers a variety of towing solutions including vehicle wiring kits, adapters, vehicle and trailer connectors, breakaway systems and much more. Today, more than 40 percentage of retail category sales are generated from Hopkins innovations. Six pole rounds provide two additional functions not found in 4 poles. These functions are electric brakes and an auxiliary power lead. The most common use for this type of plug is for horse trailers. Features Six pole rounds provide two additional functions not found in 4 poles and those are electric brakes and an auxiliary power lead Tow vehicle end socket only Die-cast zinc for durability Impact and corrosion resistant Quick and easy to install USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.