Introducing the WSB QUICK MARKING SYSTEM ( 249-607), a must-have accessory for efficient labeling in any workspace. Featuring a sleek white design with bold black markings, this marker is perfect for vertical marking on barrier strip jumpers, covers, and terminal blocks. The 5mm width ensures clear visibility, while the snap-on mating type guarantees easy installation. Rest assured, this product is not only halogen-free but also boasts a flammability rating of UL 94V-2. With its durable construction and non-stretchable flexibility, the WSB QUICK MARKING SYSTEM (249607) is a reliable solution for all your labeling needs. Elevate your organization and productivity with this essential connector accessory.