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. With superior ergonomics and a robust design nothing says long lasting like Endurance. Get your vehicle ready to tow the most common type of trailer on the road by installing this vehicle side 4-wire flat. This 4 flat connector includes printed wire functions that makes installation quick and easy.