The WMB labeling cards from Wago, model 794-558, are a practical electronic accessory specifically designed for labeling terminal blocks. These labeling cards are available in a pack of 100 pieces and provide an efficient solution for organizing and identifying electrical connections. With a width of 5 millimeters and a length of 100 millimeters, the cards are presented in a clear white color, ensuring good readability and visibility. The use of these labeling cards contributes to improving clarity in electrical installations and facilitates the maintenance and replacement of components. The WMB labeling cards are an essential tool for professionals in the field of electrical engineering as well as for hobbyists who value neat and structured wiring. They are easy to handle and can be effortlessly used in various applications.