Overview Product Description MTH Rail King 30-74721 semi-scale DT&I 50' double plug door Box Car, 3 rail Semi-scale size to fit in proportionally with Lionel "traditional size" trains Opening plug doors New in box Durable ABS Body Die-Cast Trucks and Couplers Compatible with Lionel and all traditional 3-rail systems 0-31 minimum curves ( O-36 recommended) Questions? E-Mail us at pdt212@gmail.com or call 805-226-0320 Product Videos Custom Field Product Reviews