Ernie Ball Earthwood 80/20 bronze light guitar strings provide a crisp tone and pleasing overtones perfect for acoustic players. The 80/20 bronze alloy delivers a warm, balanced tone with rich lows, clear mids and shimmering highs. The hex-shaped cores and ball-end design provide precise intonation and sustain. Whether you prefer fingerpicking or strumming, these strings compliment various playing styles. The phosphor bronze winding is corrosion resistant, keeping your tone bright. For acoustic guitarists seeking a balanced set of strings with a full-bodied sound, the 2004 Earthwood strings are a perfect choice.