This racquet will make sure that your first steps on the tennis court won’t be your last. The pre-strung SPARK PRO comes in an entirely new design that takes its inspiration from a volcanic eruption and provides more power than the ELITE version. Technology Metallix Weight (unstrung) 270 g / 9.5 oz String pattern 16/19 Head size 645 cm² / 100 in² Grip size 0-5 Balance 330 mm / 0.5 in HL Length 685 mm / 27.0 in Beam 22 mm Specially formulated crystalline metal alloy with a grain size 1000 times smaller than that of a typical metal creates a much stronger material. The Hall-Petch Effect states: smaller grains = stronger material. The result is a lighter, stronger and more powerful racquet. Show More Show Less
