Apacs EdgeSaber 10 White Badminton Racket 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. 76 Grommets system - This single-pass grommet holes construction provides more grommet holes, creating a high-performance stringing pattern that puts 7% more durability. GS Carbon Nanotech - The new material GS Carbon Nanotube is adopted in both sides of the frame in order to give strength and perseverance. 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 GS Carbon Nanotube will lead your game into the next level. Control support Cap - The Control Support Cap provides 88% wider flat surface compared with an ordinary racket for better gripping, fast swing-through and the quicker maneuverability.