Senston Badminton Racket Set/Exercise Sport Shuttlecocks White Goose Feather Badminton Item type:Senston-N80(BUILT IN T-JOINT) /Frame: Graphite/Shaft: Graphite (Full Graphite meterial adds strengths and stability for enhanced performance.) Product parameters:5U(75g-79g)/Grip:G4/The balance point:295?3MM/Lengh:675MM Stringing Advice: 18-26 lbs,The Isometric Square Head Shape frame structure and nanometer material supports high pounds string,frame do not change shape ,give you a better sense of strength. Included:A high quality racket and racket cover (Protect the racket well and easy to carry ) Senston N80 racket has nine colors to Meet the most badminton Friends needs .