The WSB QUICK MARKING SYSTEM in White ( 209-541) offers efficient and clear labeling for your terminal blocks and connectors. With a marker width of 5mm and a snap-on mating type, this accessory ensures easy installation and visibility. Featuring black marking in a horizontal direction, it is perfect for numeric identification. Not only is it halogen-free and RoHS compliant, but it also has a flammability rating of UL 94V-2, guaranteeing safety and environmental responsibility. Designed for use in barrier strip jumpers and terminal blocks, the WSB QUICK MARKING SYSTEM (WSB209-541) is a reliable solution for organizing and identifying connections in any application.