The EJ21 set stands out as D'Addario's most sought-after round wound jazz configuration, featuring a distinctive wound G string that provides enhanced resonance and a more controlled playing feel. This popular choice among jazz musicians also offers the versatility needed for down tuning applications, making it suitable for players who require flexibility across different musical contexts.
Built on D'Addario's renowned XL Nickel Wound platform, these strings combine precision engineering with premium materials. The nickel plated steel winding is carefully applied to a hexagonally shaped, high carbon steel core that has been meticulously drawn to exact specifications.
This construction method produces strings with exceptional longevity and a characteristically bright tonal quality, paired with outstanding intonation across the fretboard. The result is a string set that accommodates the broadest range of guitar types and musical genres, making it an ideal choice for professional and amateur musicians alike.
- Features a wound 3rd/G string, optimal for "jazz" style playing and some drop tunings
- Round wound with nickel plated steel for distinctive bright tone
- Environmentally friendly, corrosion resistant packaging for strings that are always fresh
- Made in the U.S.A. for the highest quality and performance
- String Gauges: Plain Steel .012, .016, Nickel Wound .024, .032, .042, .052



