MZ-1/U is a cable and wire marker manufactured by KURANT. It has a label symbol of U and is designed to accept cable sizes from 1.7mm to 3.5mm in diameter and is 7mm high. The marker is specially designed with markers for cables and wires to help identify, label, and organize your electrical wiring. The MZ-1/U helps to make it easier to trace and troubleshoot wiring, thus reducing the time it takes to complete electrical tasks.