1/2" Heat Shrink Tubing - 3:1 Ratio Dual Wall Adhesive Lined, Marine Grade, Waterproof Insulation - Electrical Industrial Cable Wire Tube Wrap - White

【3:1 SHRINK RATIO】Experience rapid shrinkage with our tubing! When heated, it effortlessly contracts to 1/3 of its original diameter within seconds, forming a tight seal. 【GLUE INSIDE】Unlock enhanced performance with internal glue! When heated, the inner wall's adhesive melts and contracts, enveloping the connection point. This ensures not only tight connections but also long-lasting insulation and waterproofing effects. 【DUAL WALL TUBING】Benefit from a dual-layered solution! The outer wall brings wear resistance, corrosion resistance, toughness, breakage resistance, and flame retardancy. Simultaneously, the inner wall delivers exceptional waterproofing and insulation effects. 【EASY TO USE】Simplify your projects effortlessly! Slide the sleeve onto the connection point and apply heat with a hot air gun to achieve the desired size. No specialized knowledge required—ideal for professionals and DIY enthusiasts alike. 【VERSATILE APPLICATIONS】Unlock limitless possibilities! Our 3:1 high-shrinkage tubing finds widespread use in power, electronics, communication, and automotive sectors. Perfect for insulation, sealing, and various cable-related applications.