Hopkins Manufacturing Corporation makes your towing experience simpler and more rewarding through innovation and value. As an Endurance product by Hopkins, this product is designed for ultimate durability against harsh weather conditions, corrosion, and normal wear and tear. 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. 6 pole round connectors are typically used with horse trailers or utility/cargo trailers equipped with electric brakes.