Acoustic guitar string set. Made with an 80/20 bronze alloy wrap with a layer of silk between the wrap and steel core. The silk helps produce a more mellow sound and makes the string feel more comfortable while reducing finger noise. Earthwood 80/20 Bronze strings are precision wound with 80/20 bronze wire providing a bright, balanced tone with superior intonation and consistency. The core is made from brass plated high carbon steel hex wire providing excellent durability. Gauges .011, .015, .022w, .030, .042, .052