THIS IS THE NPRO SURGE X VERSION WHICH IS 27.5 INCHES LONG. and is proported to be 2/10's of an ounce heavier then the non stretch version... As of 9/22/2010 we have 1 left in 4-3/8 factory grip size... this racket is essentially the same NPRO SURGE, EXCEPT THAT THIS "X" VERSION IS 1/2 LONGER and according to wilson is about 2/10's of 1 ounce heavier which is probably not too noticeable...

Head Size: 100
Length: 27.5 inches
Weight: 10.8 strung weight

Head Size - 100" (MidPlus)