Ernie Ball Ukulele strings are made from 100% nylon monofilament. Ukulele strings are offered in traditional clear resin for a bright, balanced tone with excellent projection. Ernie Ball Ukulele strings feature ball end construction for easy installation and enhanced tuning stability. Clear Nylon Monofilament Ball Ends for fast, easy installationSuitable for Concert or Soprano UkulelesGauges .028", .032", .040", .028"Ernie Ball Item No. P02329Get your Ernie Ball Concert/Soprano Nylon Ball-End Uk