Add fun and functionality to your O27 gauge train layout with an uncoupler track from Lionel. This section of track is placed wherever you may need to remotely uncouple the train cars. By simply pressing the uncoupler button you can unhook your train and pull away. Includes hook up wires and push button controller. Compatible with O-27 track of other manufacturers. 8-3/4" Length straight section of track. Lionel O-27 3 rail straight track section with brown ties.