Spin X is the best string for advanced players. Offering an abundance of comfort, power, spin, and control, Spin X is the ultimate winner. The amount of technology and research that went into this string is what really makes Spin X superior. The construction process is very complex. Made with the state of the art SOHT method, Spin X delivers easy access to spin and provides controllable power. Featuring the world’s must unique construction process, Spin X undergoes through several phases and different extrusion molds making this a secret worth to keep. The SOHT method used to developed this string provides players with one of the best combinations of power, control, spin, and feel that can be found in a co-poly. Players will appreciate the long lasting performance and the excellent tension maintenance afforded by Spin X