4 nano graphite nodes to smooth out vibration and increase stiffness for more power and control. Inner muscle system, A power shaft with power wings. Built in frame with vibration dampner. One piece construction. Square string pattern of 14/18. Comes with full head cover. A superlight titanium gel racket superb for all players, as used by Camron Pilley. Free Karakal Grip when you purchase this racket.