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Old 12-07-2012, 10:13 AM   #3
TW Staff
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Join Date: Jan 2004
Posts: 24,030

This link will let you input what you have and tell you exactly how much and where to put the lead to get a desired spec.

The reason for the difference is that we post the average strung spec of around 6 racquets so it is unlikely you will get an exact match. Spec tolerances are usually around:
Weight: +/- 10 grams
Balance: +/- 10 mm = 3 to 4 points
SW: +/- 10 points
Ra Stiffness: +/- 3

Hope that helps.
Chris, TW
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