Introducing the WSB QUICK MARKING SYSTEM ( 209-722), a must-have accessory for efficient organization in any workspace. This sleek white marker, part of the 209 series, boasts a 4mm width perfect for clear and concise labeling. With its snap-on mating type, installation is a breeze. Plus, its UL 94V-2 flammability rating ensures safety in any environment. Designed for vertical marking with black numbers, this marker is ideal for categorizing barrier strip jumpers, covers, and terminals. Crafted with halogen-free materials, it's not only eco-friendly but also high-performing. Upgrade your labeling game with the WSB QUICK MARKING SYSTEM.