The Ashaway Atomic 4 features a square head shape providing consistent stiffness within the racket & weighs 84g (3oz). It has a 22 x 22 string pattern & is head heavy balanced for more power, stability & spin. The hex frame guarantees excellent strength & aerodynamic properties, while the slim frame design improves the swing speed of the racket. The Atomic 4 is constructed of Ultra Hi Modulus Graphite / Nano Carbon & comes strung with the Zy Max 70 string to ensure extra durability & responsiveness.