Elixir Strings Acoustic 80/20 Bronze Guitar Strings with NANOWEB Coating,  12-String Heavy (.013-.056) 12-String Heavy Gauge: 013 017 030 039 047 056 013 017 014 018 027 035 Elixir Strings retain their tone longer than any other string, uncoated or coated. *Elixir Strings player survey 80/20 Bronze with NANOWEB Coating Anti-Rust Plated Plain Steel Strings also resists tone-deadening corrosion, ensuring longer life for the entire set <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.