OO MAGNETIC PIVOTING SQUARE CHUNK COUPLINGS Non-polarized Standard gap between rolling stock 5 pair to plug in to NEM pockets. These are 9.5mm + 9.5mm NEM to NEM There is no A & B end will work which any way round you place your rolling stock / locos guaranteed mating no fuss. Fully compatible with all Porterhouse MODELS Couplings. Postage included in price.

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