Create three new styles of modern tank cars from the MDC 50' tank car. Includes one pair each; "recessed" ends (ACF insulated), "hard edge" ends (GATX/Trinity insulated) and "soft edge" ends (GATX/ Trinity insulated). Precision injection molded in styrene. Detailed installation instructions are included. OD of end 1.291 in. ID of end 1.193 in. Ends originally made to fit Model Die Cast tank cars.