Stand the test of time with strings that endure. D’Addario XT Acoustic Phosphor Bronze strings combine D’Addario’s strongest high carbon steel with an advanced corrosion resistance treatment on every string in the set, giving you enhanced break resistance and unyielding pitch stabilityall while preserving the tone and feel of your favourite uncoated strings. These strings are made to stay, with uncompromising performance that never fades away. Light set ideal for all genres, acoustic guitar and fingerstyle. Features Number Of Strings: 6 Set Type: Set Wrap Material: Phosphor Bronze Advanced corrosion resistance treatment. Unrivalled break resistance. Strings stay in tune 131% better than traditional strings!