Introducing the WSB QUICK MARKING SYSTEM ( 249-619), a must-have accessory for efficient organization and identification in any electrical setup. This sleek white marker, part of the 249 series, features a Snap-On design for easy installation. With a non-stretchable construction and halogen-free composition, it guarantees safety and durability. The black marking color, meeting UL 94V-2 flammability rating, ensures high visibility and compliance. Measuring 5mm in width, with a vertical marking direction and symbols for clear identification, this marker is perfect for Barrier Strip Jumpers, Covers & Markers, Barrier Terminal Blocks, Strips & Accessories, and Connectors. Upgrade your workspace with the WSB QUICK MARKING SYSTEM – precision and convenience at your fingertips.