Head graphenext speed pwr tennis racket play your best games with this head graphenext speed pwr tennis racket with extended sweetspot geometry giving you more control of the racket and the game you play head graphenext speed pwr tennis racket graphenext extended sweet spot geometry head size 740cm2 1152 weight unstrung 255g 9 oz beaml 262628 mm balance unstrung 345mmeven length 695mm 27 and a third inches recommended string tension 24 28kg 52 62 lb