Scale metal coupler with a smaller head which is more to scale and is patterned after the type "E" couplers Mount with the supplied #242 draft gear box or with the manufactures cast-on coupler pockets Long 25/64" centerset shank Simple drop-in design to accommodate manufacturers' draft gear boxes and cast-on coupler pockets Same shank length as the #26 (KADU0026) or #46 (KADU0046) coupler Compatible with Kadee HO and HOn3 couplers Detailed instructions Made in the USA.