The D'Addario EJ11 80/20 Bronze light-gauge acoustic strings provide a huge bass response and an ultra-bright top end, perfect for fingerpicking. With D'Addario's signature high-carbon steel core precision wound with the original alloy used by John D'Addario, Sr. and John D'Angelico in the 1930s, the 80/20 Bronze EJ11 is an easy path to a classic tone for your acoustic guitar.