The Marathon/Kulka MS599-10-1A is a double row marking strip designed to enhance terminal identification in electrical circuits. Made from 0.03” thick white vinyl, these strips offer a durable and clear marking surface for circuit labeling. They are equipped with nylon spring clips for secure mounting and are compatible with a range of Marathon/Kulka terminal block series. The strips can be printed with letters or numbers, allowing for customized circuit identification. They are commonly used in industrial automation, control panels, and other applications requiring organized and labeled terminal connections.