This assortment is particularly suitable for DIY enthusiasts, craftsmen, field service, service workshops, electronics professionals, and laboratory supplies. You will receive a 118-piece premium heat shrink tubing assortment with a shrink ratio of 3:1, covering a range from 1.6 to 12.7 mm in various colors, featuring hot melt adhesive on the inside: waterproof when properly overlapped. Thanks to the variety of sizes included, the heat shrink tubing sections can be used for insulation, protective covering of components, as strain relief, protection against corrosion, as well as for repairing cables and wires, labeling, and much more. Special feature: with adhesive inside.