Introducing the WSB QUICK MARKING SYSTEM ( 209-421) in sleek white. Part of series 209, this Marker accessory boasts a Snap-On mating type for easy installation. Designed for efficiency, it offers a 5mm marker width with horizontal marking direction, ideal for clear and organized labeling. The black marking color stands out on any surface, while the UL 94V-2 flammability rating ensures safety. Not stretchable, it guarantees durability in various applications. Perfect for Barrier Strip Jumpers, Covers & Markers, Barrier Terminal Blocks, and more. Upgrade your marking system with the WSB QUICK MARKING SYSTEM.