The PHOENIX CONTACT part 1050017:0031 is a Zack marker strip designed to provide clear and organized labelling. This particular marker strip features 10 sections and is horizontally labeled with the consecutive numbers 31 to 40. It is in a sleek white color and has a width of 5 mm, making it suitable for various industrial applications. This marker strip offers an efficient and easy-to-read solution for identifying and arranging wiring and cables.