The Phoenix Contact 0803582:0091 is a high-quality Zack marker strip, model ZBFM 4/WH, designed for efficient terminal block labeling. This white (RAL 9010) marker strip is made from durable PA material and features a 4.2 mm pitch, making it ideal for sequential numbering applications in industrial settings. Perfect for organizing and identifying electrical connections, this marker strip enhances clarity and safety in complex wiring systems. Trust Phoenix Contact for reliable and precise marking solutions.