HellermannTyton Heat Shrink Heatshrink + adhesive 612800 - HellermannTyton 323-20190, HellermannTyton's 323-20190 heat shrink tubing features a 4:1 shrink ratio with an adhesive lining for waterproof sealing. The robust, flexible design provides abrasion resistance, making it ideal for protecting cables and wiring. Suitable for automotive, electrical, and marine applications, it ensures a reliable and durable insulation solution. HellermannTyton 323-20190 Heatshrink Black 19mm 6mm Shrinkage 4:1 1m