Enhance the organization and efficiency of your wiring setup with the WSB QUICK MARKING SYSTEM ( 209-664). This sleek white marker, part of the 209 series, offers a snap-on mating type for easy installation. Crafted for durability, it is not stretchable and halogen-free, ensuring safety and longevity. Featuring vibrant red marking color and a UL 94V-2 flammability rating, it combines visibility with compliance. The 5mm wide marker strip allows for clear, vertical numbering, perfect for categorizing barrier strip jumpers, covers, and terminal blocks. Its reliable performance and convenience make it a must-have accessory for any professional wiring project.