Ernie Ball 3144
Folk Slinky Coated Phosphor Bronze Medium String Set 13-56

Ernie Ball Coated Slinky Phosphor Bronze Light Acoustic Guitar Strings feature a proprietary enamel coating on the wound strings, and a rust-resistant plating on the plain strings. In addition to the exclusive coating, all plain guitar strings are reinforced with a patented winding of titanium wire around the lock twist of the ball end. The wound strings are wrapped with an alloy combination of 92% copper, & 7.7% zinc wire, and .3% Phosphor providing excellent clarity with rich warm overtones.