Prince thunder extreme 110 tennis racket this prince thunder extreme 110 tennis racket boasts an array of technologies to give you that added edge on the court it is head light balanced to provide extra manoeuvrability and has a head size of 110in2 710cm2 the extreme string pattern ensures 30 more spin triple threat technology adds stability and control to your shots and there is also a durable graphite frame and expanded sweet spot a colour contrasting design and prince branding complet