Aquila Strings AQ-4U Nylgut"Regular G" Soprano Ukulele Strings New Nylgut series strings Set of 4 soprano ukulele strings; 0.65mm, 0.92mm, 0.77mm, and 0.60mm Standard tuning - GCEA Strong, consistent sound; Aquila strings produces a better sound than nylon and is not so metallic Made of Nylgut, a special synthetic material that has the same specific weight as regular gut strings