The HX-990's resilient and sturdy frame is equipped with NANO FORTIFY TR. The anti-torsion performance has been improved, and the attack and defense strength has been increased, making the HX-990 an ideal racket for dominant players with an aggressive playstyle.
Specification
Shaft Material: Ultra High Modulus Graphite M46J+M30J+6.8 SHAFT
Frame Material: Ultra High Modulus Graphite M30J+HARD CORED TECHNOLOGY