The single-pass grommet hole construction creates less friction between strings, this effectively reduces tension loss, while extending string life.
The box-shaped design effectively increases the stability and anti-torque, and can stand higher string tensions.
The original groove structure design stores the force applied by the athlete when swinging the racket, and amplifies and releases it when hitting the shuttle to create maximum destructive power
The new carbon fiber laminated design strengthens the rigidity of the racket frame and can withstand high pound loads, providing solid hitting feel.