GR321 2t Slate Wagon Set (Unbraked/Unbraked/Braked)GR321 The 2 ton capacity iron slate waggon depicted by our model is one of the most numerous types, with hundreds built and many surviving. As these waggons tend to run in long rakes, the models have semi permanent close couplings fitted in their NEM pockets. These can be pulled out with fine nosed pliers and replaced with conventional OO 9 hoop and loop couplings (supplied) at each end of the rake. We plan to make the close couplers available as a