The Wago 248-415 connection block marker is a practical electronic accessory designed for labeling connection blocks. With a width of 5 millimeters and a weight of 6.25 grams, this marker is lightweight and handy, making it easy to use in various electrical installations. The markers are available in a pack of five and are characterized by their white color, which allows for clear visibility and easy identification. The use of connection block markers is crucial for organization and safety in electrical systems, as they help clearly label connections and avoid confusion. The Wago 248-415 is therefore a valuable addition for professionals and hobbyists who prioritize precise and organized wiring.