The WAGO part 793-502 is a WMB marking card designed for efficient identification and organization of electrical connections. These cards come in a pack of 10, each marked with numbers 1 through 10 for clear and precise labeling. The marking cards are not stretchable and feature a horizontal snap-on design for hassle-free installation. The white color ensures high visibility and contrast, making it easy to locate and read the markings. This WMB marking card is an essential accessory for any electrical panel or wiring setup, enabling quick and accurate identification of connections.