Introducing the WSB QUICK MARKING SYSTEM, 209-581. This essential accessory is designed for efficient and organized marking in industrial settings. Featuring a crisp white color with bold black markings, it ensures clear visibility on terminal blocks and barrier strips. The non-stretchable design and UL 94V-2 flammability rating guarantee safety and durability. With a convenient snap-on mating type, installation is quick and hassle-free. The 5mm marker width and horizontal marking direction make it perfect for identifying connections with ease. Perfect for professionals in the field, this marker is a must-have for maintaining accuracy and compliance in any project.