Prince thunder beast 100 tennis racket improve your game with this prince thunder beast 100 tennis racket ideal for beginners or experienced tennis players alike made with triple threat technology which increases racquet stability by focusing weight it also uses morph beam for added power and stability and sweetspot expansion zones prince branding completes the racket tennis racket head size 100in2 645cm2 frame weight 292g length 270in 686cm balance 131in 332