Marage heat shrink tubing This heat shrink tubing is ideal for making a wire connection. Slide the heat shrink tubing over the cable, twist the ends of the cables together and slide the heat shrink tubing over the connection. Heat the heat shrink tubing with a hair dryer, for example, and you have a super strong connection. Specifications: Color: transparent Gender: unisex Material: plastic Length: 5 meters Thickness: 3.2 mm