Roosebeck Lyre Harp String Set (16) Tuning and String Gauges; - - 1: E5 .010 0.25 - Steel; 2: D5 .010 0.25 - Steel; 3: C#5 .010 0.25 - Steel; 4: B4 .012 0.30 - Steel; 5: A4 .012 0.30 - Steel; 6: G4 .012 0.30 - Steel; 7: F#4 .015 0.38 - Steel; 8: E4 .015 0.38 - Stee; 9: D4 .015 0.38 - Steel; 10: C#4 .018 0.46 - Steel; 11: B3 .018 0.46 - Steel; 12: A3 .018 0.46 - Steel; 13: G3 .024w 0.61 - Nickel; 14: F#3 .024w 0.61 - Nickel; 15: E3 .024w 0.61 - Nickel; 16: D3 .028w 0.71 - Nickel