Flexpoint technology allows the racquet to cup the ball for increased control and feel. The Head Flexpoint Radical 107 is a very forgiving frame, with exceptional feel, comfort, above average power and a large sweetspot. Best suited for 4.0 7.0 level players. CompositionConstruction Liquid Metal Titanium Graphite Piezzo Electric Fibers Headsize 107 Length 27 Weight Strung 310g10.9 oz. String PatternMains X Crosses 18x19 Recommended String Tension 54 64 lbs. Beam Width 21mm Straight Balance 4pts Head Light Power Level Low Medium StiffnessFlex 58 Frame Technology Head Flexpoint Grip Type HydroSorb White Swing Weight 334 Swing Speed Moderate Fast Swing Type L4 Endorsed by Andre Agassi Manuf. Recommended String Head FXP 17