Buy 3 sets and save with this environmentally friendly, corrosion resistant 3-pack / Hard tension for increased resistance, volume and projection / Laser sorted clear nylon treble strings for consistent, precise intonation / Precision wound basses for warm, projecting tone and the utmost consistency / String Gauges: Trebles .0285, .0327, .0410 Basses .030, .036, .044 /