Trailer Hitches. Box Material: Iron. Door Material: Iron. Truck Equippers, Truck Installers, Truck Upfitters. Box Color: Black. Box Finish: Powder Coat. Box Gauge: 14ga. Perfect balance of security and weather resistance with a durable 14 Ga steel body and black powder-coated finish.It's powder coated black inside and out for superior corrosion resistance and style.