The Ashaway Zy Max 64 TX badminton string offers consistent, reliable performance & great elasticity. This multifilament string has a gauge of 0.64mm (22) & features BETA Polymer technology for maximum dynamic stiffness & repulsion. Exceptional tension maintenance is ensured by Zy Wea Ve core & a proprietary textured coating increases control & provides even more stiffness. The string delivers optimum power & durability & comes in a 200m (660ft) reel.