Sterling rope Description. Shop for various types and sizes of Sterling Rope products, from accessory cord to rigging line. While there are other specialty twin and half ropes (and even a couple of singles) that are thinner and lighter, the Nano IX slightly thicker diameter provides just the right amount of confidence. The 5. The 1/2" HTP is a polyester static rope for arbor rigging, rope access and lifting. The Sterling Nano IX is one of the lightest and thinnest climbing ropes in our test group, measuring up at a slim 9. 0 mm Static Rope. Designed to endure high temperatures (up to 932° F) and offer maximum abrasion and cut resistance, the XTEC is the ultimate 6 mm cord. The Sterling Velocity 9. Here at Sterling, we appreciate the power of gravity and your need to confront it safely. qxsmkrusifdirpcvgvgxmusllqybxihlxrsrlmnkzeetfrjbknocvmjklnvsxigprjmkxdqjnssod