Description The Solinco Hyper-G Soft Tennis String is a newly developed, softer high-performance and versatile co-polyester string designed to offer playability and control while generating extreme power and intense spin and bite.Utilizes a newly developed softening chemical formula with the high-powered polyester monofilament fiber designed and shaped to generate maximum power and control while amplifying the spin and bite intensity of the ball as well as improved tension maintenance.Specifications: Gauge – 17g (1.20mm) Length – 200m (reel) Composition – Co-polyester Monofilament Color – Hyper Green The Solinco Hyper-G Soft Tennis String is recommended for topspin players who like hitting balls that dive sharply and explode off the court.