Single character halogen-free marker sleeve for unconnected wires and cables. Designed for electrical, pneumatic, hydraulic etc. applications. Unique profile with spring-action bellows covers a wide variety of diameters with a single marker size therefore reducing marker stock requirements. Designed to interlock when fitted, enabling easy alignment of multiple character markings. High environmental tolerance and excellent legibility. Cable sizes 2.5 - 5.0mm diameter.