A few specs available, please don't ask for details about how it was done...
All strung specs, with overgrip.
Verdasco - 352grams, ~32,5cm bal.point, SW ~353
Nadal - 345g , ~33,3cm , SW ~354
Soderling - 368g , ~32,3cm , SW ~367
Djokovic - 361g , ~32cm , SW ~358
Cilic - 365g , ~31,9cm , SW ~361
A.Murray - 362g , ~32,3cm , SW ~366
Tsonga - 354g , ~32,2cm , SW ~355
Del Potro - 361g , ~32,3cm , SW ~363
J.C.Ferrero - 353g , ~33cm , SW ~356
J. Isner - 360g , ~31,7cm , SW ~351...
Pro's Racket Specs - US Open
All strung specs, with overgrip.
Verdasco - 352grams, ~32,5cm bal.point, SW ~353
Nadal - 345g , ~33,3cm , SW ~354
Soderling - 368g , ~32,3cm , SW ~367
Djokovic - 361g , ~32cm , SW ~358
Cilic - 365g , ~31,9cm , SW ~361
A.Murray - 362g , ~32,3cm , SW ~366
Tsonga - 354g , ~32,2cm , SW ~355
Del Potro - 361g , ~32,3cm , SW ~363
J.C.Ferrero - 353g , ~33cm , SW ~356
J. Isner - 360g , ~31,7cm , SW ~351...
Pro's Racket Specs - US Open