Headsize: 100 sq. in.Weight Unstrung: 295 g/(10.4 oz)Weight Strung: 310g/(10.9 oz)Weight Unstrung: 295 g/(10.4 oz)Weight Strung: 310g/(10.9 oz)Length:27"String Pattern: 16 x 19Stiffness/Flex: 55Beam With: 24.5 Flat Beam Balance: 31 cm/( 12.2 in.) - Head Light Swing Weight: 312 Powel Level: MediumSwing Speed: Medium-Fast Swing Type: Medium - FullRacquet/Player Type: All Around Composition/Construction: Graphite Grommet Technology: Parallel Drilling Frame Technology: Parallel Drilling Frame Technology: FreeFlex ( Carbon Mapping )Recommended String: ALU Power / NXTGrip Type: Wilson Pro Performance - BlackColor: Red/Black Recommended String Tension: 48 - 58 lbsMisc: No Cover