Phoenix Contact 0830780 Wire marking sheets are available in a white, unlabeled form and can be personalized with various label options such as TOPMARK NEO, THERMOMARK PRIME, and BLUEMARK ID COLOR. These sheets are designed to work with wires of diameters ranging from 2 to 2.9 mm and have a clip-on mounting type. Each sheet features 32 individual text fields, measuring 4mm in height and 12mm in width, allowing users to add labeling information as needed.