This is for 8 Pairs Of NEM Couplings for Hornby Mk3 Coaches and 2 Powercar NEM Couplings. Close Couple your HST Sets With Detailed Buckeye Couplings. With our new ELITE couplings you can never worry about polarity & formations never again, much work went into the Magnet Technology in these new couplings to allow the work of dual polarity's in one single compact coupling.
eBay