Ernie Ball 2069 Earthwood Classical guitar strings

Ernie Ball 2069 classical guitar strings series Earthwood 80/20 deliver rich, clean highs with percussive attack.
The high-quality sound of these strings is achieved through pure nylon and bronze alloy winding (80% copper; 20% zinc). What's more, the strings are equipped with proprietary balls at the ends, which makes it easy and quick to install Earthwood strings.
String Tension: Medium / Normal / Standard
String Material: 80/20 Bronze / Nylon
String End: Tie
Number of Strings: 6
Specifications: 28-32-40-30w-36w-42w