Made for players who search for unmatched durability & dynamic strength, Ashaway Zymax 66 Fire Power badminton string provides proper stiffness & repulsion for a long time due to special BETA Polymer structure & multifilament Zy Weave core. Furthermore, ensuring a great feel, elasticity & top-notch performance throughout its life, this 22 (0.66m) gauge string arrives in a handy 200m (660ft) long reel.