Introducing the WSB QUICK MARKING SYSTEM ( 209-783), a must-have accessory for efficient organization in any wiring setup. This sleek white marker, part of the 209 series, features a durable Snap-On design for easy installation. Designed for vertical marking, it boasts a 4mm width and is perfect for labeling barrier strips, terminal blocks, and connectors. With its halogen-free and UL 94V-2 flammability rating, you can trust in its safety and reliability. The black symbols provide clear identification, ensuring seamless connectivity in any application. Upgrade your workspace with the WSB QUICK MARKING SYSTEM for streamlined and professional results.