Electrical wire insulation set (Tube shrink) consisting of 530 high-quality heat-shrinkable tubes that can be used to protect car joints and welding joints. Material: made of polyethylene. Shrink ratio 2:1. Easy to use. Cover the exposed wire part with these tubes and heat them with a soldering iron, gun, or even a hairdryer. Widely used: not only for wiring but also for covering USB cables and headphones. 8 different sizes. Product features: easy to use, versatile: can be used to cover car wires, USB cables, headphones, and more. 8 different sizes: the set comes with 8 different sizes to fit all types of wires. Easy to store: small-sized box that can be kept in the car. Heat shrink insulation, car wire protection, effective heat shrink insulation. Perfect protection for your car wires. Excellent electrical insulation ensures your safety. Don't hesitate! Get the heat-shrinkable electrical wire insulation set now and enjoy reliable and easy protection for all your electrical and electronic connections!