Ashaway UltraNick 17 Squash -
The Ashaway UltraNick 17 Squash String: This family of squash strings features a multifilament Zyex core encapsulated with a high tenacity monofilament nylon wear surface.
Multifilament Synthetics. UltraNick 17 maximizes durability & string life. UltraNick strings offer minimal tension loss and consistent performance; recommended for professional & amateur players. Zyex Multifilament Fibers provide ultra performance.