The lastest game improvment weapon from Volkl Tennis with its unique POWER ARM technology, the DNX 1 is the ideal racquet for players who are searching for the ultimate in a light weight, powerful frame. By combining the revolutionary construction of the POWER ARM with the unmatched strength of the new DNX material, the DNX 1 offers not only explosive power, but excellent stability especially on off center hits. These combined features prepare the DNX wPower Arm to take your game to the next level. Headsize 115 Length 27.8 Beam Width 27 29mm Weight Strung 265g9.3 oz. CompositionConstruction DNX, Carbon Graphite, Fiberglass String PatternMains X Crosses 16x17 Recommended String Tension 48 58 lbs. StiffnessFlex RA 68 Frame Technology DNX Frame, Power Arm Handle Technology Sensor Handle System Grip Type DNX Grip Misc Ideal for 2.0 players and higher