It serves a unique market of tennis players that are fairly consistent string-breakers

As used by Lucie Safarova

If you're a tennis player who breaks strings often

The 25% lower speed than standard tennis balls gives players the necessary extra time to work on their techniques

The numbers are printed on black VCP windscreen material with white paint so they are easily visible and very durable

Solinco Hyper-G 17 1.20 COLLECTION-Type-String Savers It serves a unique marketSolinco Hyper G 17 1. 20 tennis string is designed to offer excellent playability and control. Youll generate intense power and spin with the addition of great bite. This string uses a newly developed chemical formula in combination with high powered polyester monofilament fiber. Co Polyester string. Shaped to generate maximum power and control.