D'Addario's EJ97 strings are designed for use with 8-string Greek bouzoukis of various scales. The unwound strings are made from plain steel and the wound strings are nickel wound. D'Addario offers a wide variety of ethnic instrument strings designed to the exacting specifications of our artists, instrument parterns and international customers. Our computer-controlled winding machinery, laser micrometer inspection, and closed-loop tension control systems promise unrivaled quality and consistency, set after set.