Marathon/Kulka's double row marking strips are essential accessories for terminal blocks, offering both insulation between the block and chassis and a dedicated surface for clear terminal identification. Available in materials like XP, XXXPFR, GME, and GEE, these strips cater to diverse industrial needs, including flame retardancy. They can be printed with numbers, letters, or symbols, and are often pre-mounted to streamline assembly processes. These strips are vital for maintaining organized and easily identifiable electrical systems in various applications.