The HellermannTyton 561-01301 is a Wire Labels & Markers Clip On Cable Marker 2-2.8 mm DIV Imprint L1,L2,L3,N,EARTH designed for labeling wire and cable cables. It is made of a durable plastic and has a range of imprints, such as L1,L2,L3,N,EARTH allowing for identification of up to five different wires or cables. This clip on cable marker is designed to snap onto cable up to 2.8mm in diameter and is suitable for both indoor and outdoor use. It is also resistant to wear and tear and environmental conditions, making it a reliable and long lasting solution for cable identification.