4:1 Heat Shrink Tubing Ø12/16/20/32/40mm, Heat Shrink Tube with Adhesive 2M, Black Heat Shrink Tubing (Ø12mm2M)

[4:1 Shrink Ratio] - High-quality heat shrink tubing with a 4:1 shrink ratio. When heated, it shrinks to 1/4 of its original diameter. [Double-Walled with Adhesive] - Our heat shrink tubing is made of high-quality, flame-retardant polyethylene. The double-walled lining is coated with adhesive for superior protection and a tight seal during shrinking. [Waterproof Insulation] - Its excellent sealing properties make it extremely waterproof and insulating, providing very good protection. [Easy to Use] - This heat shrink tubing is easy to use and can be shrunk in seconds. Simply cover the exposed wire section with the heat shrink tubing and heat it using a lighter or heat gun. [Multiple Uses] - Repair broken wires or cables, and can also be used to repair items such as eyeglass frames. The large dimensions and high degree of retraction allow for use in multiple scenarios.