Check the listing for details. D'Addario EJ24 Phosphor Bronze True Medium Acoustic Guitar Strings 13-56. Condition: New. Listed at 10.79 USD. D'Addario EJ24 TRUE Medium Phosphor Bronze Acoustic Guitar Strings (13-56) See Our Store Listings for EJ24 savings on 3-packs EJ24's feature a smaller diameter 3rd, 4th and 5th string than our traditional EJ17 Medium set. These strings are for players that looking for a more balanced sound and tension across their medium setup. In addition, these gauges are optimal for DADGAD tuning, originally popularized as an alternative tuning in Celtic music, but extends into contemporary folk, fingerstyle and rock styles.A popular choice for heavy strumming, flat-picking and resonant, projecting tones - also optimal for DADGAD tuningPreferred for its warm, bright, and well balanced acoustic toneEnvironmentally friendly, corrosion resistant packaging for strings that are always freshMade in the U.S.A. for the highest quality and performanceString Gauges: Plain Steel .013, .017, Phosphor Bronze Wound .024, .032, .042, .056