The Dunlop M Fil 700 110 is a very powerful, super light, game improvement racquet. The M Fil 700 also offers ecellent stabilty and control. Best suited for 3.0 4.0 level players. CompositionConstruction CarbonE FibreChromium Headsize 110 Length 27.5 String PatternMains X Crosses 16 x 19 Recommended String Tension 53 63lbs Beam Width 26 28mm Balance Head Heavy Power Level Medium High StiffnessFlex 70 Frame Technology M Fil Multi Filament is a technology that incorporates a unique patented 3D braiding system. Grip Type Hydramax Comfort Swing Weight 330 Swing Speed Slow Moderate Weight Strung 277g9.7 oz. Misc NTRP 2.0 4.0