Content | D'Addario Phosphor Bronze 12 String Acoustic Guitar strings are acclaimed worldwide for their superb, long-lasting tone. Phosphor Bronze was introduced to string making by D'Addario in 1974 and has become synonymous with warm, bright, and well balanced acoustic tone. D'Addario's most popular acoustic guitar strings. | Trebles .0285, .0327, .0410 Basses .030, .036, .044Environmentally friendly, corrosion resistant packaging for strings that are always fresh | D'Addario banjo sets are the Player's Choice for many professional bluegrass musicians. They are made from the highest quality plain steel and nickel plated steel wound strings, and available in a wide variety of gauges. | D'Addario Phopshor Bronze mandolin strings are acclaimed worldwide for their great, long-lasting tone. Phosphor Bronze was introduced to string making by D'Addario in 1974 and has become synonymous with warm acoustic tone. | D'Addario XL Nickel Wound Electric Guitar strings are world-renowned as The Player's Choice amongst players of all genres and styles. XL's are precision wound with nickelplated steel on a hex-shaped core, resulting in strings with a distinctive bright tone and excellent intonation. | Trebles .0290, .0333, .0416 Basses .030, .036, .045Environmentally friendly, corrosion resistant packaging for strings that are always fresh |