Introducing the WSB QUICK MARKING SYSTEM ( 209-762), a must-have accessory for efficient organization of terminal blocks and connectors. This sleek white marker, part of the 209 series, offers snap-on mating for easy application. With a non-stretchable design and halogen-free construction, it ensures long-lasting durability and safety. Featuring vibrant red marking color and a 4mm width, it allows for clear and visible identification of numbers in a vertical direction. UL 94V-2 flammability rating guarantees compliance with safety standards. Perfect for use in barrier strip jumpers, covers, and markers, as well as terminal blocks and connectors. Upgrade your labeling system with the WSB QUICK MARKING SYSTEM.