---------------------------------------------------------------------- ・Material: Graphite, damping rubber Size: Face/110sq.in, total length/27.0in ・Average weight: 255g (frame only) ・Average balance point: 355mm (frame only) ・Frame thickness: 27mm ・String pattern: main 16 x cross 18 ・Recommended string tension: 40-55 pounds *This is a hardball tennis racket. *Strings are sold separately. *Replacement grommet DS22407G sold separately 1,650 yen (tax included)