This is a Mizuno FORTIUS 11 QUICK (4U6). It has a standard swing weight. It is used by Yohei Okamura, a member of the Japanese national team. It has been used very little. The original grip is not included. The strings are Exbolt 65. A racket case is included. Thank you. Kenichi Nishimoto and Kenichi Hayakawa (coach) have used this racket. This racket is for both singles and doubles. Retail price: 27,500 yen.