Wilson ProStaff 6.0 Question

Discussion in 'Racquets' started by prestige_player, Mar 11, 2009.

  1. prestige_player

    prestige_player New User

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    What is the difference between a ProStaff 6.0 and a ProStaff 6.0 si?
     
    #1
  2. sunflowerhx

    sunflowerhx Rookie

    Joined:
    Oct 26, 2005
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    Location:
    Bangkok
    Nothing the s.i. stands for swing index and appears on some batches of the PS6.0
     
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