The Li-Ning G-Force 9000 ES is an Extra Strong racket to help you mightily smash the shuttlecock. This racket features a head-heavy profile making it apt for aggressive gameplay. This is an extra-strong racket holding the capacity to withstand extreme stringing tensions of up to 35 pounds. This racket is engineered with MPCF Reinforcement technology that uses multi-layer carbon fiber to bolster the strength of the racket thereby improving its durability and stability. This racket also features a Dynamic Optimum Frame and Aerotec Beam System that assists in reducing the air resistance and makes way for faster and stronger swings all the way. This head-heavy racket could be your prized weapon if you are an aggressive player or would like to add aggression to your game.