CellPack Heat Shrink Heatshrink w/o adhesive 617822 - CellPack 127129, CellPack manufactures the Heatshrink w/o adhesive with dimensions of 12 mm before and 4 mm after shrinkage, and a shrinkage ratio of 3:1. This red, flexible heat shrink is 8 metres long and typically used for insulation and protection of electrical cables. It is ideal for applications requiring secure and durable cable management without the need for adhesive. CellPack 127129 Heatshrink Red 12mm 3:1 Shrinkage 8m Length