Ernie Ball Earthwood Phosphor Bronze Acoustic Guitar Strings are made from 92 percent copper, 7.7 percent tin, 0.3 percent phosphorus wire wrapped around tin plated hex shaped steel core wire. These guitar strings have a light orange, gold colour and provide a mellow, ringing sound with excellent clarity. 
Natural feel and tone
Element shield packaging prolongs string life and keeps strings as fresh as the day they were made
Featuring the finest and freshest materials