Heat shrink tubing is one of the most important home improvement materials that you should invest in. It provides a more secure and long-lasting protection to your electrical circuits compared to the more commonly used electrical tape. Heat shrink tubing are used to provide insulation, corrosion protection, and protection against the different effects of weather. There are online stores where you can buy heat shrink tubing and wire ties in a variety of sizes and colors. You are sure to find the specific heat shrink tubing that you need for your electrical circuits at home.