This assortment is particularly suitable for hobbyists, craftsmen, field service, service workshops, electronics technicians, and laboratory needs. Here you will receive a 100-piece standard heat shrink tubing assortment with a shrink ratio of 3:1 (without internal adhesive) for an application range of 1.5 to 18 mm in black color. An application diagram and additional technical data of the included components are clearly printed on the inside of the lid.