The Ernie Ball Earthwood Light 11-52 guitar strings is a three pack of the highest standard manufactured strings. Thanks to their 11-52 gauges, these strings deliver a bright and balanced tone, packed with crisp and pleasant highs. Due to their incredible tones, these popular acoustic guitar strings are ideal for those who enjoy a bright and sparkling tone with an excellent intonation. They're wound from 80/20 copper and zinc for a true brass tone, and these strings offer an optimum performance and long-lasting life. Improve your sound.