Introducing the WSB QUICK MARKING SYSTEM in sleek White, part of the high-quality Series 209. This Marker accessory, with a Snap-On mating type, ensures easy installation for efficient organization. Not Stretchable and Halogen Free, it guarantees safety and durability. The Black marking color, meeting flammability rating UL 94V-2, offers clear identification. With a 5 mm marker width and strip width, it's perfect for precise marking. RoHS compliant for environmental responsibility. Designed for Horizontal Marking with Symbols, it's ideal for Barrier Strip Jumpers, Covers & Markers, Barrier Terminal Blocks, and more. The SKU 209-472, also known as 209472, is a must-have for any terminal block or connector application. Elevate your marking system with this essential accessory.