The SPARK TOUR TENNIS RACQUET is the most powerful model in the pre-strung SPARK series. With its energetic design, you will be inspired and ready to make things happen on the tennis court.
• Energetic design
• Power for new players
• Pre-strung
WEIGHT (UNSTRUNG):275 g / 9.7 oz
STRING PATTERN:16/19
HEAD SIZE:645 cm² / 100 in²
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ARCOREARCORE Technology is a spefically designed cross section in the shaft of the racquet to increase torsional stability for ultimate control and power.
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Metallix™ 
METALLIX™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.