A 4mm scale (1:76) model of a 47ft container wagon built for CIE (Irish Rail).
This version has bogie mounting points suitable for ones made by Bachmann Branchline (Y25). This is the lower detail version suitable for WSF.
More info can be found here:
http://www.rmweb.co.uk/community/index.php?/topic/130341-42ft-container-flat-wagon/#entry3010499