Introducing the WSB QUICK MARKING SYSTEM ( 209-697), a must-have accessory for efficient organization in any workspace. Designed in a sleek white color with bold black markings, this marker strip, part of series 209, offers snap-on mating for easy installation. With a width of 5mm, it provides clear and concise vertical symbols, perfect for labeling barrier strips, terminal blocks, and connectors. Not only is it convenient to use, but it also meets stringent safety standards with its halogen-free and UL 94V-2 flammability rating. Upgrade your marking system with this high-quality and reliable product.