Herewith Kizuna Duratech D61 Quality badminton stringing assessment; Kizuna Duratech D61 premium badminton string by ERR badminton restring Singapore. Kizuna D61 is simply launched in 2019. This Kizuna D61 badminton string as you may see the gauge is slim only 0.61mm, but this string ready to provide “tough†feeling. In this badminton s