It can fix them from coupling issues. Helping u then identify problematic tackle sections that need fixing. There is a big benefit to using coupling bars over standard hook couplings. Also allow them to un couple.
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Job Lot Of Hornby R671 R432 OO Gauge Coach Wagon Vintage Red Cardboard Empty Box
100 x Assorted OO Gauge Plastic Wagon & Coach Wheel Sets - Mixed Brands
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HORNBY RAILWAY OO GAUGE COACH R 750 SR BRAKE COMPOSITE COACH TRI-ANG
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