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depends on the weight of the racquet, 2u or 3u. 3 \. C- h) D4 E% x! }6 R$ F7 w7 Xjust by browsing any online store, you can find that info. 3 Q: T$ f2 I, R' d5 w& K0 u: c3 r/ N
ie. xin lan tian(in chinese) or mybadmintonsotre.com