Introducing the WSB QUICK MARKING SYSTEM ( 249-701), a must-have accessory for efficient organization in any workspace. This white marker, part of the 249 series, boasts a 4mm width and snap-on mating type for easy application on any compatible surface. With its non-stretchable flexibility and UL 94V-2 flammability rating, rest assured of its durability and safety. The black marking color, compliant with RoHS standards, ensures clear and environmentally-friendly labeling. Perfect for vertical marking with numbers, this marker is ideal for use with barrier strip jumpers, covers, and terminal blocks. Upgrade your connectivity solutions with the WSB QUICK MARKING SYSTEM.