Introducing the WSB QUICK MARKING SYSTEM ( 209-970), a must-have accessory for efficient and organized labeling. With its sleek white design and black marking color, this marker stands out for easy identification. The 5mm width and vertical marking direction make it perfect for Barrier Strip Jumpers, Covers & Markers, and other terminal block applications. Plus, with its snap-on mating type, installation is a breeze. Rest assured, this marker is halogen-free and carries a UL 94V-2 flammability rating for safety. Add a touch of professionalism and clarity to your projects with the WSB QUICK MARKING SYSTEM.