Whether you’re a beginner, picking up tennis again or looking for an effective frame that’s easy to play with, the Boost is made for you!With a design inspired by the legendary British Grand Slam, the Wimbledon Boost will enable you to hit smashes, drop shots and aces with pure eleganceSPECIFICATIONSHeadsize 680.0cm²Length 685.0mmWeight (unstrung) 260.0gTolerance Weight /- 7gStringing pattern 16/19Balance (unstrung) 3mmBalance HL HH (unstrung) 1 pts HHTolerance Balance /- 7mmStiffness (RA) 70 /- 3Beam width 23-26-23Composition GraphiteRecommended strings AddiXion / Syn GutRecommended tension 23-25 KgRecommended grip SYNTEC UPTAKEAvailable Grip Size 4'",4 1/8",4 1/4",4 3/8",4 1/2",Strung / Unstrung Strung