Cablecraft Easi-Lok Loose Cable Marker is made of self extinguishing PVC. It is a leading wire/cable identification system offers the best PVC material and indelible printing technology. A huge range of cable sizes can be identified with a simple marker. It’s chevron cut ensures easy and accurate alignment. The expanding gusset feature offers easy fitting. The available marks are A to Z, 0 to 9, +, -, /, full stop, earth and blank.