The Head HAWK 17 1.25mm 660ft 200m Reel (Black) Tennis Racket String is a high-quality, durable string designed for tennis players looking to improve their game. Produced by the reputable brand HEAD, this string is known for its excellent control and power. The 1.25mm diameter provides a sturdy yet flexible feel, perfect for players who prefer a more solid string for their racquet. With a length of 660ft (200m), this string is ideal for those looking to last through multiple matches without needing a replacement.