The Lisle Heat Shrink Tubing Assortment, No. 27170, includes heat shrink tubing in six different diameters for insulating and protecting soldered connections and connectors. The tubing also works for marking and bundling wires. This assortment contains 160 4" long tubes with six diameters in various colors. Tubing is halogen free and UL and CSA certified. Tube diameters include 1/16", 3/32", 1/8", 3/16", 1/4" and 3/8".