WSB QUICK MARKING SYSTEM ( 209-418) offers efficient and precise marking for your terminal blocks and connectors. Designed for easy snap-on installation, these white markers with black numbers ensure clear labeling in any application. With a marking width of 5mm, they provide ample space for identification. Meeting UL 94V-2 flammability rating standards and being halogen-free, they guarantee safety and compliance. Perfect for horizontal marking, these non-stretchable markers are essential for organizing and identifying components in barrier strip jumpers, terminal blocks, and connector setups. Stay organized and streamline your workflow with the WSB QUICK MARKING SYSTEM.