Dunlop force 98 tennis racket the force 98 brings a traditional racket with a twist built with a classic 98 square inch frame yet an aerodynamic profile and thicker tapered beam this racket means enhanced power still with full control tennis racket head size 98sq inch length 27 inch unstrung weight 310g unstrung balance 325mm beam width 22 24 22mm string pattern 16 x 19 string tension 52 62lbs23 28kgs aeroskin shock reduction striking colo