Dunlop force 100 s tennis racket appreciate spin and power with every shot with this dunlop force 100 s tennis racket the racket is designed with a number of technical features that help to improve the advanced players performance with aero geometry and pentagonal geometry the shape of the racket head and neck combine for speed power and stability along with aero boost grommets that offers less drag the increased sweetspot is thanks to the parallel strung design with srx shock reduction t