The Marathon/Kulka MS599-6-1A is a double row marking strip designed to enhance circuit identification on terminal blocks. This accessory is crafted from durable white vinyl, ensuring longevity and clear visibility. It features nylon spring clips for secure mounting and offers printed markings for easy circuit identification. The strip is compatible with a range of Marathon/Kulka terminal block series, making it a versatile solution for industrial applications. It is ideal for applications requiring organized and clearly labeled terminal blocks, contributing to efficient maintenance and troubleshooting.