Introducing the WSB QUICK MARKING SYSTEM, a must-have accessory for efficient organization in any workspace. Designed in a sleek white color with a 4mm marker width, this snap-on marker, part of the 209 series, ensures clear and precise vertical marking of terminal blocks and connectors. The black marking color contrasts beautifully against the white background, meeting UL 94V-2 flammability rating standards for added safety. Not only is this marker halogen-free, but it also guarantees durability and reliability, thanks to its non-stretchable construction. Perfect for professionals in the electrical and electronics industries, the WSB QUICK MARKING SYSTEM is essential for streamlined identification and labeling tasks.