The Yonex Astrox 100 Tour 3U4 is an advanced badminton racket dedicated for county players seeking reinforced power and smooth striking experience for high performance games. The racket utilises the revolutionary Namd graphite to ensure perfect bond of fibres and resin to create a more efficient flex for producing exceptional power on rebounds. Furthermore, the frame is extremely fast and smoothly cuts through air on each stroke thanks to the Aero+Box technology. The head of the racquet offers a more efficient sweet spot with the Isometric technology to allows for a more precise shot-making and consistent power. The racket allows for constant attacking with quicker transitions between strokes provided with the Rotational Generator System. This head heavy balanced racket is constructed using the HM graphite to offer lightweight feel and masterful stability. The Astrox 100 Tour is strung with the D637-A7 string.