Herewith Kizuna Duratech D61 Quality badminton stringing evaluate; Kizuna Duratech D61 premium badminton string by ERR badminton restring Singapore. Kizuna D61 is just launched in 2019. This Kizuna D61 badminton string as you can begin to see the gauge is slender only 0.61mm, but this string ready to offer “really hard” experience. In t