2 Pair of No.20 Kadee Couplers - HO/OO.

Two pairs of long NEM coupler pocket fit European couplers measuring 11.68mm. They will fit any UK and European outline stock equipped with NEM coupler pockets in OO/HO scale. Simply plug into place in place of the original coupling. This is the longest of the European type coupling and best suited for use on layouts with sharp curves.