Vinabo 400-Piece Black Heat Shrink Tube Set, 3:1 Shrink Ratio, Waterproof, Self-Adhesive, Electrical Insulation, 7 Sizes (2.4mm-19.1mm), 45mm Length

✔️【High-quality materials】Our heat shrink tube is made of durable and high-quality materials and offers the advantages of good electrical insulation, good sealing and corrosion resistance as well as high temperature resistance.
✔️【Shrink Ratio 3:1】Waterproof heat shrink tubes can quickly shrink to 1/3 of their original inner diameter. Eliminates the problem of 2:1 hoses not shrinking enough. Can be easily applied to your wires to improve their reliability.
✔️【Wide application】Heat shrink hoses can be used in a variety of applications, e.g. as electrical insulation/environmental seal to protect against moisture, UV radiation and fuel/surface protection against abrasion, peeling and dents.
✔️【Various sizes】There are 400 black heat shrink tubing in the transparent box, 7 sizes heat shrink tubing. Length 45mm, Inside Diameter Included : 2.4mm, 3.2mm, 4.8mm, 6.4mm, 9.5mm, 12.7mm, 19.1mm
✔️【Easy to use】There is adhesive inside the heat shrink tube. Simply slide the heat shrin