Topspin Sensus Rotation 1.31mm 726feet/220meter

The tennis string Topspin Sensus Rotation is a co-polyester with an heptagonal profile. Because of the heptagonal profile this string has exceptional spin properties and produces increased ball speed. In addition, this string provides excellent control and playability. And, no more need to constantly straighten your strings. The Topspin Sensus Rotation effectively prevents string movement and shines by providing maximum string durability. The Topspin Sensus Rotation is probably the toughest string on the market.