Earthwood: Acoustic Guitar Strings - Silk & Steel, Regular (13-56)

Ernie Ball Earthwood Silk & Steel Regular 80/20 Bronze acoustic guitar strings are made with an 80/20 bronze alloy wrap, along with a layer of silk between the wrap and steel core. 
The silk produces a more mellow sound and makes the string feel more comfortable while reducing finger noise. 
Made in the USA.
Gauges .013, .017, .026, .034, .046, .056