Easily identify and organize your terminal blocks with the 209-554 Marker. Designed for quick and efficient labeling, this snap-on accessory is essential for maintaining clear and accurate wiring systems. The white marker, part of series 209, features red numbers for high visibility. With a 5mm width, it fits perfectly on barrier strips and jumpers. Not only is it halogen-free, but it also meets RoHS compliance standards. The UL 94V-2 flammability rating ensures safety and reliability. Perfect for industrial and commercial applications, this marker is a must-have for any professional electrician or technician.