Introducing the WSB QUICK MARKING SYSTEM in White, part of the Series 209 collection. This innovative Marker accessory, featuring a Snap-On mating type, offers a convenient solution for efficient labeling in various applications. Crafted for durability, it boasts a non-stretchable design and is halogen-free for added safety. The bold Black marking color, with a UL 94V-2 flammability rating, ensures clear visibility and compliance with industry standards. With a marker width of 5mm and vertical marking direction, it is perfect for precision labeling of numbers. A must-have for Barrier Strip Jumpers, Covers & Markers, as well as Barrier Terminal Blocks, Strips & Accessories, this product guarantees seamless connectivity and organization. Elevate your terminal block and connector setups with the 209636 209-636.