This load of Scrapped Railroad Wheels fits American Flyer S Scale gondolas. It is designed specifically for these gondolas. The load is one solid piece made from high impact expanded polyurethane resin, painted and rusted to look like weathered wheels. Each load is weathered by hand so that no two are exactly alike. It is lightweight so your cars aren’t top heavy. This load is ready to place in the well of your car right from the package. The dimensions of the load are: 7 3/4" long by 1 11/16" wide.