The Aquila 4U Soprano Ukulele Strings are premium-quality strings made from Aquila's proprietary New Nylgut material, designed to deliver a warm, rich tone that closely mimics traditional gut strings while offering modern durability and tuning stability. Engineered specifically for soprano ukuleles with standard G-C-E-A tuning, these strings provide excellent projection, a smooth playing feel, and quick pitch stability. Ideal for both beginners and professional players, they strike a perfect balance between classic sound and modern performance.