WSB QUICK MARKING SYSTEM ( 209-474) is a essential accessory for efficient organization in any wiring setup. Its snap-on mating type ensures easy installation on barrier strips, while its white color and bold black marking provide clear visibility. This UL 94V-2 rated marker guarantees safety and compliance, with a non-stretchable design for durable performance. At 5mm wide, it offers ample space for horizontal symbol marking, perfect for categorizing and labeling terminals. Whether for barrier strip jumpers, covers, or terminal blocks, the WSB QUICK MARKING SYSTEM is a reliable solution for streamlined connectivity in any application.