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depends on the weight of the racquet, 2u or 3u. ! V. u& M* w' W4 u# U5 l& q6 {9 cjust by browsing any online store, you can find that info. ( Q0 S2 Q2 d2 `9 m. F3 @2 j$ [1 e$ O
ie. xin lan tian(in chinese) or mybadmintonsotre.com