X-One Biphase 16G/1.30 String Natural

Tecnifibre tennis string offers the highest level of control, spin, comfort and durability. Tecnifibre X-One Biphase 16 is Tecnifibre's flagship playability tennis string, and for good reason. With plenty of technology packed in for maximum power, feel and comfort, this string is even a great choice if you suffer from arm pain. Biphase process offers 20% increased durability. Multifilament Synthetic string.