CABLE PROTECTIVE HEAT SHRINK TUBING SET 560 PIECESHeat shrink tubing is a special insulation material that shrinks to a certain extent with heat, reducing its diameter. It has various applications such as electrical insulation, protection, labeling, and classification. It shrinks by a 2 to 1 ratio with heat, tightly wrapping around the cables involved in the operation. This wrapping process helps protect the covered material from external factors. It is commonly used in the insulation process of cables.Package Contents560 pieces of cable protective heat shrink tubing.