Solinco Hyper-G Soft Tennis String is a slightly softer version of one of the most popular spin strings on the market. Hyper-G Soft`s unique shape helps grab the ball to allow for explosive topspin from the back of the court. Hyper-G Soft will play a more comfortably than Hyper-G but still offer a controlled response.Construction: Monofilament CopolyesterColor: GreenGauge: 16L / 1.25 mm | 16G / 1.30 mm | 17G / 1.20 mm | 18G / 1.15 mmLength: 40 ft