Material: Nylon Precision Round, bright;For a warm, singing sound;Medium Tension;No single strings available. We recommend replacing the set completely to ensure a consistent sound;Set Concert Ukulele;Hawaiian tuning: A1, E2, C3, G4;Scale: 380 mm;Diameter: A1: 0,65mm/.255", E2: 0,81mm/.032", C3: 0,90mm/.035", G4: 0,71mm/.028";