Why you need the Elixir 11182 Nanoweb hd Light Acoustic Guitar Strings 13-53 The Elixir 11182 Nanoweb hd Light Acoustic Guitar Strings are made of bronz, giving it a much richer warmth. It blends both Elixer light and medium guages, allowing for more flexibility. These strings have a nice and thin coating to protect the strings from withering quickly without even noticing its there. Features: • Thin Coating • Blends light and medium guage