Tecnifibre TFight RS 300 For regular and competitive tennis players, the Tecnifibre TFight RS 300 is the most powerful racquet in the T-FIGHT line. The frame geometry is redesigned with RS SECTION technology, a unique square section with five sides and specific angulation to provide power, control and comfort. For competitive players looking to hit winning shots, the Tecnifibre TFight RS 300 is the best choice! Racquet Technology 300g weight for easy maneuverability and acceleration to hit powerful winners. 98 in2 head size for more stability and precision. 16×19 string pattern for maximum spin.