Gauges 28-32-40-30w-36w-42w.

Ernie Ball 2069 Earthwood 80/20 bronze-wrapped nylon folk guitar strings are made from 80% copper, 20% zinc wire around nylon core to give you sweet classic tone.

All Ernie Ball strings are precision manufactured to the highest standards and most exacting specs to assure consistency, optimum performance and long life.