O Gauge Auto Couplings - 7mm+ modelling - RMweb
2012-1-17 · There are several solutions. One is to go down the road of Kadees which work very well. I have also tried Dinghams but found them to be a little fragile for use with heavy white metal wagons. I am going to use the 7mm Spratt and Winkle design from Wizard models with the goalpost type fixing rather than the rather unsightly wire across the buffers.
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