Prince thunder scream tennis racket the prince thunder scream tennis racket offers the graphalu construction for a lightweight yet sturdy feel and is head light balanced for exceptional manoeuvrability it has a head size of 105in2 677cm2 and features an open 16x19 string pattern to provide more power and spin the scream incorporates the triple threat technology delivering even more power and increased control tennis rackets head size 105in2 677cm2 frame weight 275g 97o