EXL140s are among D"Addario"s most popular round-wound, nickel-plated electric guitar strings. World-renowned as "The Player"s Choice" among guitar players of all genres and styles. XL strings are wound with nickel-plated steel to provide you with distinctive bright tone, excellent intonation and reduced fret wear. Gauges 10-13-17-30-42-52 Value 3-pack Player"s choice Nickel roundwound Bright, lasting tone