ISOSPEED Professional 17/1.20 String

ISOSPEED Professional 17 is ideal for any player who prizes comfort and power. With its Power Ribbon technology, this string is designed to mimic the comfort and responsiveness of natural gut. Through a unique patented system, this string is factory pre-stretched and locked under tension on an industry exclusive 40ft. reel. The result is optimal tension maintenance. The low stiffness level makes this great for players with sensitive joints and tendons.