The ashaway powernick 18 squash string offers the combination of textured surface with thicker diameter which provides maximum durability and spin performance zyex fibres ensuring superior power dynamic response and ball control and outer spiral for enhanced spins and slices the ashaway powernick 18 is the string of choice for many top players including nick matthew peter barker ong beng hee or madeline perry the string is 115mm in diameter and 110 meters long