Galli Strings GSL10 GYPSY JAZZ Silver Plated Silk and Steel Light Acoustic Guitar Strings .010 .014 .022w .028 .037 .045 - set / Jazz Guitar (Acoustic) Silverplated wound onsilk and steel(Silk and steel = silk wound steel core)With ball endLight TensionGYPSY JAZZ - The special design and tension of the Gypsy Jazz make these strings the perfect choice for manouche guitars. Galli strings are high quality strings, using the finest materials. Made in Italy.