Dunlop FX 500 Lite Tennis Racket - Frame OnlyHead Size 100 Sq Inches Weight 270g String Pattern 16 x 18 Balance 330mm Description; Reach every shot with the fastest and lightest racket in the Force series. Game improvers, intermediates and advanced juniors will find it easier to hit crisp, powerful shots thanks to the firm beam of the FX500 Lite. POWERBOOST GROOVE Balance power and comfort with a new grommet structure. Play in comfort with a new precision groove engineered into the racket frame