Introducing the 248-537 Miniature WSB Quick Marking System, a must-have accessory for efficient organization in any electrical setup. This sleek white marker, part of the 248 series, boasts a snap-on mating type for hassle-free application. With a non-stretchable design and halogen-free composition, it guarantees durability and safety. The striking black numbers, marked in a 5mm width, ensure clear and precise identification. Perfect for horizontal marking on barrier strips and terminal blocks, this essential tool is a game-changer for professionals in the field. Elevate your workflow with the 248-537 and experience unmatched convenience in cable management.