EJ63, D'Addario's universally appealing tenor banjo set, is optimally gauged for C-G-D-A tuning on 4-string banjo. Loopend 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, stainless steel, nickel plated steel and phosphor bronze and available in a wide variety of gauges.