Champion Sports Double Steel Shaft Badminton Racket, Steel/Blue (CSIBR30) EachBadminton racket features a lightweight design to provide just the right amount of balance and flexibility to help your students become champions. Double steel shaft and frame are tempered for durable, long lasting performance. Heavy duty strings are constructed of a strong nylon material to provide a consistent level of tension. Leather grip is dimpled to ensure complete control while helping you maintain a comfortable hold. General Information