The Dunlop M Fil 300 98 is a player's racquet that offers a nice blend of stability, control and maneuverability. Best suited for all court 4.0 7.0 level players, seeking exceptional touch and feel. CompositionConstruction CarbonT FibreTungsten Headsize 98 Length 27 Weight Strung 309g10.8 oz. String PatternMains X Crosses 16x19 Recommended String Tension 55 65lbs Beam Width 22mm Balance Even Power Level Low Medium StiffnessFlex 61 Frame Technology M Fil Multi Filament is a technology that incorporates a unique patented 3D braiding process. Grip Type Hydramax Tour Swing Weight 317 Swing Speed Fast Replaces 300G Misc NTRP 4.0