LI Ning G Force lite 3500 Racket Shaft is made strong material know as Ultra Carbon fiber. This material gives excellent rigidity to sustain impact load at very low weight. As it gives higher racket frame strength so it can sustain deformation and give more rigidity to frame. With More rigidity, Frame can sustain the load and regain its original shape quickly and gives players to added advantage to perform better shots. Intermediate Felx: Soft Grip Technology: Ultra-carbon, superlight technology Item Weight: 70-80 grams Material: Carbon fiber In-Box Contents: 1 Badminton Racquet