The Yonex B-6500I is a new model to replace the older B-6000I. The racket has isometric head for larger hitting area. Similar to the B-4000, the Yonex B-6500I racket is composed of aluminum head and shaft from steel. The racket is pre-strung with durable string and tight tension. Excellent racket for recreational, beginner, physical education class, schools, colleges, and community center use.