Designed to move materials within a steel mill, the Universal Steel Mill Car kit builds a typical heavy-duty reinforced flatcar with low bulkheads used for all kinds of service on steel mill railroads. This easy-to-build kit includes injection-molded parts as well as appropriate trucks with metal wheels and Kadee(R) knuckle couplers. The Universal Steel Mill Car will look great inside your mill complex among other State Tool and Die steel mill cars and accessories.