Introducing the WSB QUICK MARKING SYSTEM, a convenient solution for labeling and organizing barrier terminals and connectors. This white marker features a 5mm width, perfect for clear and legible markings in a horizontal direction. With black numbers for easy identification, this UL 94V-2 rated marker ensures safety and compliance. Designed for snap-on mating, it offers hassle-free installation. Not stretchable and halogen-free, it guarantees durability and environmental responsibility. Part of the 249 series, this marker is a must-have for efficient and professional wire and cable management.