Delock Heat Shrink Tubing Assortment Box, Shrink Ratio 2:1, black/red, 196 pieces. Contents: 56x diameter 2.0 mm, 28x diameter 4.0 mm, 14x diameter 6.0 mm, 36x diameter 8.0 mm, 34x diameter 10.0 mm, 28x diameter 12.0 mm. Tube length: approx. 95 mm. Shrink ratio 2:1. Shrink temperature: 70 °C to 125 °C. Color: black/red. Material: Polyolefin. This heat shrink tubing set from Delock is used for protecting and insulating cables, electrical lines, or wires. When heat is applied, the tubing completely encases the cable and shrinks. This protects the cable from weather influences and mechanical damage. Selection of various sizes and colors. This set includes tubes with six different diameters and two different colors, making them versatile for various applications. Convenient storage box. The handy box is ideal for protecting the heat shrink tubes, keeping them free from dirt and dust. The box can also be reused for storing various tool accessories such as screws, nuts, etc. Versatile use. The heat shrink tubes can be used, for example, in a workshop, at home, or in industry. Application of heat shrink tubing. The heat shrink tubing can be heated with a heat gun, shrinking the tubing to half its original diameter at a shrink ratio of 2:1 when warmed.