This assortment is especially suitable for hobbyists, craftsmen, field service, service workshops, electronics technicians and laboratory needs. You will receive a 300-piece premium shrink tubing assortment in the shrink ratio 3:1 for an application range of 1.6 to 12.7 mm in the colour black with hot-melt inner adhesive: Waterproof when overlapped correctly. Thanks to the variety of sizes included, the heat shrink tubing sections can be used for insulation, protective wrapping of components, as bend protection, protection against corrosion, as well as repair of cables and wires and much more.