Elixir strings use a special, advanced polymer coating technology to protect strings from sweat, body oils, and dirt, preventing corrosion. These innovative guitar strings maintain their high-quality tone for a long time after being strung, and are praised by countless professional and amateur musicians worldwide. The Optiweb coating is an innovative, lightweight coating that achieves the same tone and feel as uncoated premium strings. Light gauge (.010 .013 .017 .026 .036 .046)