The Yonex BG66 Ultimax badminton string is Yonex's thinnest multifilament string that provides perfect blend of power & control. The string utilises nylon coating for superior durability & high intensity core with maximum number of strands to ensure excellent precision & comfort. The string generates sharper hitting sound that adds power & confidence to your game. The Yonex BG66 Ultimax has a 0.65mm gauge & is available in 200m (656ft.) reel.