The Ashaway Zy Max 64 TX is a multifilament badminton string made using BETA Polymer technology to ensure maximum dynamic stiffness & repulsion & offers a gauge of 22 (0.64mm). Thanks to Zy Wea Ve™ core, the string provides excellent tension maintenance & for increased stiffness & control, there is a proprietary textured coating. It guarantees high levels of power & durability & comes in as a 10m (33ft) set.