Hand crafted strings made from the finest materials, phosphor bronze wound or pure nickel wound. Precision manufactured for 'Puretone Strings' on state-of-the-art string winding machines. Set of eight Bouzouki 'Octave Strung' strings with two unison tuned plain 1st and 2nd's and octave tuned wound/plain 3rd and octave tuned wound/plain 4th's in loop or ball end, precision gauged for E, A, D, G tuning.