Dubro Products - 3/16" Diameter Heat Shrink Tubing White 3/pkg

Heat Shrinkwrap, 3/16", White

The ideal solution for many of your modeling needs.  This tubing has been specifically formulated to shrink up to one half its original diameter simply by using a heat gun, soldering iron, or cigarette lighter.  Ideal for insulating electrical splices and also covering electrical plugs and connectors.