Its twice as firm as the original GRID with a three-dimensional surface that allows tissue to aerate while you roll

Great for gut or synthetic strings

Premier choice for chronic string breakers

this is definitely for you

Ideal for the high-performance player

Solinco Hyper-G 18 1.15 656' Reel Type_Shoe Care Its twice as firm asSolinco Hyper G 18 1. 15 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.