Apacs Nano Fusion 722 Speed Badminton Racket (6u) Isomectric head frame - Equalizes the length of main and cross strings in the stringbed, enlarging the sweet-spot for more consistent accuracy even on off-center hits. Light Weight - At 78g (6U) this light weight racket will enable you to move quickly and deliver fast swing to surprise your opponent. Nano Fusion Technology - It holds large amount of energy at the impact, and releases it back like an arrow. It gives you depth and control in your game. The strength and flexibility of Nano Fusion Tech will lead your game into the next level. Slim Frame - The Slim Frame provides smaller flat surface compared with an ordinary racket for better speed, fast swing-through and the quicker maneuverability.