Ripcord white 0.5mm

Cable is to cut back the jacket to expose the wires of the cable so you don't run the risk of cutting any of the wires inside. This helps make splicing cables easier during installations. It is used to split the outer shielding away without needing to use a sharp object which could potentially damage the wires themselves. It is commonly called a ripcord. Its called a ripcord and is used to cut through the outer casing of the wire so you don't have to use a knife.