[Proper connection] Do you mind. that wrapping the cable connection with duct tape is ugly and not secure enough? The good news is now. that our heat shrink tubing can avoid these problems and provide you with a neat connection. [Various sizes and colors] The heat shrink tubing is available in all sizes. required for professional maintenance and home improvement. especially in the smaller sizes. which are unusual in the market. All heat shrink tubing is packed in a plastic box for easy mobility. so you don't have to worry about confusing pipes of different sizes. [Wide applications]: The shrink tubing can be used to protect solder points. for grouping and marking wires. for color coding. for amplifying headphones and mobile charging cables. for the maintenance of LED filaments. for rc planes. for vehicle maintenance. Can be used for eyeglass temples and for making headbands. [Rapid shrinking]: The rate of shrinkage of the heat shrink tube is 2: 1. while the shrink temperature is 125 C. under which the shrink tube wraps itself evenly around the wire in 15 seconds. [Easy and Safe]: Cover the exposed part. that needs to be serviced. off with these tubes and use a heat gun to shrink them quickly and evenly. to be clean and lasting. to form a tight connection. The pipe serves as a professional maintenance partner and has good insulation and flame retardant properties.