Valley Class IV Super Duty Trailer Hitches have a powder coat polyester black paint finish. This is a corrosion resistant finish. These trailer hitches are custom fit hitches. The hitch with 2" standard receiver opening supports up to 7500 pounds gross trailer weight. If a weight distribution system is added the towing capacity goes up to 10,000 pounds gross trailer weight. The trailer hitches have a limited lifetime warranty. The hitches are ideal for full size, long wheel base trucks and SUV's (Sport Utility Vehicles). Gussets in hitch arm provide additional strength.