The YONEX Astrox 99 Game Badminton racket is perfect for professional players. It is a lightweight racket with a medium flex and overall length longer than 10 mm. The badminton racket has a built-in T-joint and a shaft composition made of HM Graphite and Nanomesh NEO. Key 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 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. Energy Boost CAP Increased Control The new shape allows the shaft to flex, which ensures the maximum effect of “Namd[1](more flex and faster kick-back graphite material)” and stabilizes the racquet face by preventing the shaft twisting, increasing control Power Assist Bumper Attached to enforce heavier, increased power by configuring the weight directed into the shuttlecock with a tungsten-infused nylon bumper. What is the length of this racket? it is longer than 10 mm.