Introducing the WSB QUICK MARKING SYSTEM in White, part of the 209 series. This Marker accessory, with a Snap-On mating type, offers quick and efficient labeling for your terminal blocks and connectors. Featuring a non-stretchable design and halogen-free construction, it ensures safety and durability in various applications. The bold Black marking color, with a width of 5 mm, allows for clear and easy identification. With a UL 94V-2 flammability rating and vertical marking direction, it meets strict safety standards. Perfect for Barrier Strip Jumpers, Covers & Markers, as well as Barrier Terminal Blocks and Strips, this product is a must-have for organized and compliant wiring systems. ( 209-993)