The ashaway ultranick 17 squash string has zyex multifilament core that provides enhanced power and resilience its textured surface gives improved control and spin and a gauge of 125mm ensures increased durability the ashaway ultranick 17 is the string of choice for many top players such as nick matthew david palmer and ong beng hee it is recommended for players who seek a powerful lightweight and durable string with soft feel it is supplied in a 110m reel which is enough for up to 12