High Shrinkage Ratio - The 4:1 heat shrink tubing shrinks to 1/4 of its original diameter. Compared to 3:1, 4:1 heat shrink tubing shrinks faster and creates a stronger, tighter seal around spliced wires.
Visual Transparent Heat Shrink Tubing - After the transparent heat shrinkable tube shrinks, you can thoroughly see the information or object situation of the connection place, which is convenient to view and check the connection.
Thicker Dual Walls & Glue Inside - The inner wall of 4:1 heat shrink tubing is thicker. The tubing provides a good water-tight seal environment with the inside glue. The dual walls provide stronger protection against fray.
More Versatile - 4:1 heat shrinkable tubing has stronger electrical insulation and protection, so it can be used for industry, medical treatment, home DIY, etc. For DIY homeowners, it can be used to do a bit of electrical work on home.
Common Sizes, Lengths and Colors - We include 3 commonly used diameter sizes, from 1/4 inch to 5/8 inch. The diameter you choose is 1/2". The length of the heat shrink tube is 16 feet. The color of the heat shrink tubing is clear.