Suitable for advanced players, the Ashaway Super Nick ZX wear layer squash string offers a textured surface to provide extra spin potential & maximize control & features ZX wear layer with Zyex® filaments for solid durability & tension maintenance. Ensuring precise touch, this multifilament string has a gauge of 17 (1.25mm) & gives players an excellent feel of the ball. It is supplied as a 9m (30ft) set.