Yonex Badminton Racquet Astrox 22 LT Flex: Medium Frame: HM Graphite / Tungsten Shaft Composition: HM Graphite / NANOMESH NEO Weight / Grip 3F (Avg. 63g) G5 Stringing Advice 3F: 19 - 26 lbs Colour: Dark Green or red Features: - NANOMESH NEO: Ensures a stronger more flexible frame, while increased shaft flex creates maximum power. - AERO+BOX Frame: Combines solid hitting feel and quick swing. - ISOMETRIC: Enlarged Sweet Spot. ISOMETRICTM technology continues to help the world’s greatest players achieve global success.Developed over 30 years ago, the ISOMETRICTM design increases the sweet spot by 7%*. Compared to a conventional round frame, a square-shaped ISOMETRICTM racquet generates a larger sweet spot by optimizing the intersection of the main and cross strings.ISOMETRICTM delivers greater control without sacrificing power. ISOMETRICTM is a Trademark of Yonex CO., LTD. *Tested by Yonex - NEW GROMMET PATTERN: High-Performance. The single-pass grommet hole construction provides more grommet holes for a more high-performance stringing pattern. - ROTATIONAL GENERATOR SYSTEM: Counterbalanced Weight Distribution. By applying the counterbalance theory, weight is distributed throughout the grip end, frame top and the joint for maximum control. The transition to the next shot can be performed smoothly, with rapid succession. - CONTROL SUPPORT CAP: Sharp manoeuvrability. The control support cap provides an 88% wider flat surface compared with an ordinary racquet for easier gripping, fast follow-through and the sharpest manoeuvrability.