Ernie Ball Earthwood Custom Medium Phosphor Bronze Acoustic Guitar Strings, 12.5-56 Gauge (P02143)

Ernie Ball welcomes four new half gauge combinations to its world-famous Earthwood line of acoustic guitar strings. Ernie Balls new Earthwood Phosphor sets feature a mellow, ringing sound, with excellent clarity in never-before-offered gauge combinations. Custom Medium sets feature gauges 12.5, 16.5, 24w, 34, 46, 56.