MARATHON/KULKA's double row marking strips provide a reliable solution for circuit identification in terminal blocks. Constructed from materials like XP laminate, flame retardant XXXPFR, or glass cloth melamine, these strips offer durability and insulation. They are compatible with a wide range of terminal block series and can be customized with various print styles and materials to meet specific application requirements. Ideal for industrial automation, control panels, and other electrical systems where clear and consistent labeling is essential.