Elixir Strings 16545 Acoustic Phosphor Bronze Guitar Strings with NANOWEB Coating, 3 Pack, Light (.012-.053) 3 sets for the price of 2!! Light Gauge: 012 016 024 032 042 053 Elixir Strings retain their tone longer than any other string, uncoated or coated. *Elixir Strings player survey Phosphor Bronze with NANOWEB coating Anti-Rust Plated Plain Steel Strings also resists tone-deadening corrosion, ensuring longer life for the entire set