Trainz helps you to find the correct parts by providing you pictures of most of the parts we have for sale on a dimensional background so you can readily compare if the part that we are selling is the same as what you need. With different scale models and brands, you might have a hard time finding what you need. Fortunately, Trainz has an ever increasing selection of the model train parts you and they're conveniently organized by train scale, manufacturer, and part number to make your shopping experience quick and easy.