CellPack Heat Shrink Heatshrink w/o adhesive 617824 - CellPack 127143, CellPack manufactures the 127143 heat shrink, a red 24 mm tubing that shrinks to 8 mm, designed for insulating and protecting cables and wires. This versatile heatshrink features a 3:1 shrinkage ratio and is provided without adhesive in a 4-meter length. Typical applications include electrical insulation, strain relief, and protection against mechanical abrasion. CellPack 127143 Heatshrink Red 3:1 24mm/8mm 4m No Adhesive