Apacs Virtuoso 50 Badminton Racket (6u) 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 77g (6U) this light weight racket will enable you to move quickly and deliver fast swing to surprise your opponent. Axe Shape Frame - The Axe Shape Frame design is an aerodynamic shape frame designed to reduce drag and torsion on the frame during straight on swing or hit. Resulting in a fast swing-through, control and the quicker maneuverability. Reinforced Structure Frame - The new material is adopted in the frame in order to make the frame Ultra high Strength & Stiffness. As a result it can handle string tension of up to 35lbs.