Solinco Tour Bite 130 200m A newly developed, high-performance and versatile co-polyester string designed to generate extreme power and intense spin and bite. Utilizes an innovative, high-power co-polyester monofilament fiber designed. It is shaped to generate maximum power while amplifying the spin and bite intensity of the ball. This is not only a perfect string for players seeking more control and spin, but it also packs a punch for those who favor a heavy ball. Offering great tension maintenance.