Hutchins end to fit Canadian National 124750-124999 series gondolas. (4) ends included to do (2) cars.
See this for the S Scale Model of the car:
https://www.shapeways.com/product/QUV6BK4JN/cn-124750-124999-gs-gondola-s-scale?optionId=61519473&li=marketplace
Please note that this end was originally developed to fit another project. Modification of the end may be necessary to fit the above model.