The Blade 98L comes with excellent control in a 10.1 ounce (unstrung) racquet. The 16x19 open string pattern helps deliver spin on every shot.
Serena William's racquet of choice comes with dominating power and control thanks to a longer racquet length and bigger sweet spot.
The Blade 98S brings you a open string pattern of 18x16 for greater spin in a lighter(10.4 oz.), control oriented racquet.