EJ69B is the ball-end version of J69, one D'Addario's best selling 5-string banjo sets. It offers light playing tension for comfortable playing feel and warm, balanced tone. Ball-end construction for universal fit. D'Addario banjo strings are trusted by legends like Ralph Stanley, Rob McCoury, Ron Block, Alison Brown, and more, for their authentic tone and reliable performance. They are made from the highest quality plain steel and phosphor bronze.