Blue Snake Nano Cord - Nano cord is a small but extremely versatile cord. Available in a variety of colors and 300ft spools. With a thickness of only 0.75 mm and 36 lb. break strength, nano cord is lightweight and durable. This cord is perfect for a variety of practical and crafty uses: bracelets, lanyards, key chains, fishing line, handle wraps, and much more. Nano cord is also a valuable addition to any emergency / survival kit and made in the USA.