This is a three-pack with Open-End feature and Micro-Trains trucks and couplers.

Does your auto rack have open end doors? This product number reflects those available with the option of having open doors on the 'A' end of the car, (only the A end). This option can not be easily added to to the brake 'B' end of the car without some modification, by the modeler, to the mechanical brake housing.
Does your auto rack have corrugated sides as found on the prototype? This one does.
Can you see through the side of your auto-rack like on the prototype?
You will with this one.
The open door option will have road numbers that match the numbers on the car. There will be 12 different numbers for each road name. The cars will come with the closed door installed which are easy to change.Can you see through the side of your auto-rack like on the prototype? You will with this one.
Road Numbers: 171551, 171557, 171560, 171563, 171568, 171572, 171576, 171584, 171586, 171590, 171594, 171598