HEAD Liquidmetal 4 Prestrung Tennis Racquets The racquet has TSC (total sweetspot construction), which extends the sweet spot through the entire head for added control The damping system on the racquet is No Shox, which reduces racquet vibration by more than 27% The head size of the racquet is 102 square inches The beam of the racquet is 25mm and a 16x19 string pattern The racquet weighs 8.6 oz and is extra long in length at 27 1/3"