Price history on Walmart.com for
Ernie Ball Earthwood Extra Light Phosphor Bronze Acoustic Guitar Strings - 10-50 Gauge
See on WalmartProduct info
Ernie Ball Earthwood Phosphor Bronze acoustic guitar strings are made from 92% copper 7.7% tin 0.5% phosphorus wire wrapped around brass-plated hex-shaped steel core wire. Phosphor Bronze produces a rich tone with excellent clarity. Gauges .010 .014 .020w .028 .040 .050.
... read more.