Details 80/20 Bronze are D’Addario brightest acoustic strings, made to give your guitar an unparalleled shine. These bold-sounding strings were developed by John D’Addario Sr. and guitar maker John D’Angelico in the 1930s, and have been beloved for their sparkling, trebly tone ever since. Made with a high carbon steel core and 80/20 Bronze wrap wire, 80/20 acoustic strings offer remarkable depth, along with rich, bright harmonics, and powerful projection. 12-53 Light gauge strings are D’Addario most popular acoustic gauge, providing a nice balance of playability and tone. Features: DAddario 80/20 Bronze acoustic guitar strings are precision wound over a hexagonal high-carbon steel core. The 80/20 Bronze wrap wire provides a bold, bright acoustic sound, with a crisp projection that fills the room. 80/20 Bronze was originally created by John DAddario Sr. and renowned guitar maker John DAngelico in the 1930s. D’Addario 80/20 Bronze acoustic guitar strings come with a code on the recyclable VCI bag, which you can register to earn Players Circle points. DAddario 80/20 Bronze strings are made in the USAdrawn to D’Addario exacting specifications at their New York production facility. Specifications: Coating: Uncoated Number Of Strings: 6 Set Type: Sets, Multipacks Wrap Material: 80/20 Bronze Gauges: .012, .016, .024, .032, .042, .053, Light