D'Addario PL012 Plain Steel Guitar Single String .012
Info from Manufacturer: D'Addario plain steel guitar strings are acclaimed worldwide for their superb, long-lasting tone. They are equally suitable for both electric and acoustic guitar. .007 gauge plain steel string for acoustic or electric guitar Superb, long-lasting tone Perfect as a replacement string or for creating customized sets Made in the U.S.A. for the highest quality and performance