The 247-515 is a miniature WSB quick marking strip designed for horizontal labeling within the WAGO I/O System. These white strips are pre-printed with consecutive numbers from 20 to 29, with each number appearing ten times, providing clear identification for terminal blocks. Weighing just 6.7 g, these strips are lightweight and easy to apply. They are ideal for organizing and labeling components in control cabinets and other electrical installations, which simplifies wiring, troubleshooting, and maintenance. The product is supplied in a packing unit containing 5 cards and is RoHS compliant.