The Phoenix Contact 5144123 Ink Ribbon, also known as the WIREMARK-FB/H 24, is an essential accessory for thermal transfer printers. Designed for high-efficiency marking, this ink ribbon features a length of 300 meters and a width of 24.5 mm, delivering crisp black prints. Ideal for large volume printing tasks, it ensures reliable performance with Phoenix Contact's WIREMARK systems, making it a perfect choice for industrial labeling applications.