Introducing the WSB QUICK MARKING SYSTEM ( 209-669), a must-have accessory for efficient and organized marking in any industrial setting. This white marker, part of the 209 series, features a snap-on mating type for easy installation. With a non-stretchable design and halogen-free construction, it ensures durability and safety. The black marking color stands out clearly, meeting UL 94V-2 flammability rating standards. Measuring 5mm in width, this marker is perfect for vertical number markings on barrier strips and terminal blocks. Stay organized and compliant with the WSB QUICK MARKING SYSTEM.