Set of 26 coils Marked A to Z. For Cable Size 0.5 - 0.75sq mm or Tube O.D. 1.7 to 2.8mm. Marker length 3mm. Black print on white body. Print hot foil stamped. Working temperature -30 to +70C. Supplied on coils. Material Cadmium free soft PVC. Shaped to grip cable and interlock when fitted.