Heat Shrink HS2191 19.1>9.5mm Black 1M Professional-grade heat shrink tubing engineered for reliable cable insulation and protection. This 1-meter length features a 19.1mm outer diameter that shrinks to 9.5mm when heated, providing a secure, weatherproof seal around electrical connections. The black polyolefin construction resists moisture, chemicals, and abrasion while maintaining flexibility. Ideal for bundling wires, protecting solder joints, and reinforcing cable terminations in industrial and commercial applications. Simply slide over your connection and apply heat for a permanent, professional finish that meets industry standards.