Yonex BG-66 Ultimax now comes in .65mm thickness. The BG-66 Ultimax badminton string is an ultra-thin gauge string has ultimate repulsion and clear hitting sound. Thinnest string on the market. The 200 meter reel will allow your to string 20 to 23 rackets depending on usage and depending on your stringing technique.
Yonex BG-66 Ultimax Badminton String 200m Reel