Check the listing for details. D'Addario EJ14 Guitar Strings 80/20 Bronze Light Top/Medium Bottom 12-56. Condition: New. Listed at 9.45 USD. EJ14 80/20 Bronze Acoustic Guitar StringsLight Top/Medium Bottom/Bluegrass 12-56 EJ14, a D'Addario 80/20 Bronze hybrid gauge, combines the medium gauge bottom strings for increased resonance and volume with light gauge top strings for more comfortable playability and single note bending. A popular choice for bluegrass pickers but suitable for many genres.80/20 Bronze, commonly referred to as brass, is the original acoustic string alloy selected by John D'Addario Sr. and John D'Angelico in the 1930s. 80/20 Bronze strings are popular for recording due to their crisp, deep and projecting tone and appeal to many traditionalists and vintage enthusiasts for their historical significance. All D'Addario acoustic strings are wound on a hexagonally shaped, high carbon steel core, resulting in long lasting, bright sounding tone with excellent intonation.A D'Addario hybrid gauge combining medium bottom strings with light top strings for a big sound with comfortable playabilityExtra-bright tone mixed with deep and projecting bottom endEnvironmentally friendly, corrosion resistant packaging for strings that are always freshMade in the U.S.A. for the highest quality and performanceString Gauges: Plain Steel .012, .016, Bronze Wound .025, .035, .045, .056 EJ14