44597 9 Power Terminal with Insulated Gap (2/Card)Nickel silver track with gray roadbed; 2 per card. These track sections are required for construction and operation of a DCC reverse loop track configuration and other layouts requiring electrically gapped track. With easy to use swing arm connectors, it can also be used to make undertrack power connections to your layout, eliminating messy wiring of some traditional terminal track sections. Ages 14+