Head MX Spark Spurm Tennis Racquet

Specially formulated crystalline metal alloy with a grain size 1000 times smaller than typical metal, resulting in a much stronger material

Utilizes the Hall-Petch Effect: smaller grains create stronger material

Produces a lighter, stronger, and more powerful racquet

Weight (unstrung): 275 g / 9.7 oz

String Pattern: 16/19

Head Size: 645 cm² / 100 in²

Balance: 330 mm / 0.5 in HL

Length: 685 mm / 27.0 in

Beam: 23 mm