The Lionel Original Transformer Cord is a vintage accessory designed specifically for Lionel ZW, KW, and SW model trains, as well as other Lionel items. This cord is compatible with postwar Lionel transformers, providing a reliable power source for your model railroad setup. With the trusted Lionel brand name, you can be confident in the quality and compatibility of this transformer cord for your model railroad needs. original postwar no brakes evident