Check the listing for details. Elixir 11102 Nanoweb 80/20 Bronze Acoustic Guitar Strings .013-.056 Medium. Condition: New. Listed at 16.99 USD. Elixir® Acoustic 80/20 Bronze Strings with NANOWEB Coating deliver a bright, lively tone together with extended tone life that players have come to expect from Elixir Strings. Only coated string brand to protect the entire string with an ultra-thin coating, keeping gunk out of the gaps between the windingsExtended Tone Life – players report their tone lasts longer than any other string, uncoated or coatedConsistent performance and tone – ready to play whenever you areSmooth feel that is easy on your fingers and enhances playabilityReduced finger squeak – good for both performance and recordingAnti-Rust Plated Plain Steel Strings resist tone-deadening corrosion, ensuring a longer life for entire setWith less hassle and expense of frequent strings changes, spend more time making musicFeatures:Material: 80/20 BronzeWinding: Round WoundCore: HexGauges: .013 .017 .026 .035 .045 .056