To get the most out of your HO & OO NEM European railroad layout, you've got to have properly functioning couplers. Whether you model one manufacturer or mix-and-match brands, Kadee® has the info you need. Use our handy conversion charts to find the perfect Kadee® couplers to keep your layout running smoothly and reliably. Click on the manufacturer below to find the Kadee coupler for your car or locomotive.