19.1mm Heat Shrink Tube 3:1 with Adhesive Lining Heat shrink tubing with built-in adhesive that provides a strong and waterproof seal when heated. The dual-wall construction protects against moisture, dirt, and mechanical wear - perfect for outdoor use, vehicles, and industrial applications. When the adhesive melts, it fills irregularities and creates a permanent, waterproof, and mechanically strong seal around the cable or connector. Advantages: Waterproof seal - protects against moisture, dirt, and corrosion. Mechanically stronger joint - the adhesive provides extra strength. Long-lasting protection - better resistance to vibration and strain. Suitable for outdoor and automotive/electrical installations where the environment is demanding. Price per meter (100cm)