CellPack Heat Shrink Heatshrink + adhesive 617808 - CellPack 149433, The CellPack 149433 Heatshrink features a black, adhesive-lined design with a 6 mm diameter and 2 mm after shrinkage. It offers a shrinkage ratio of 3:1, providing excellent insulation and secure sealing. Typically used in electrical and mechanical applications, it ensures protection against moisture and environmental damage. CellPack 149433 Heatshrink+Adhesive Black 6mm Shrinkage 3:1 1pc