Designed for the recreational adult tennis player, the Wilson(R) Hyper Hammer 3.5 Tennis Racquet features an oversized frame that delivers explosive power with increased stability and momentum. Racquet Features to Suit Your Style Power frame for players with short, compact swings Oversized head provides more forgiveness and power Head Heavy balance for increased stability and momentum in lighter frames Open string pattern for more power and spin Key Specs Headsize: 110 in^2 / 710 cm^2 Unstrung Weight: 237g / 8.4oz Unstrung Balance: 8 pts HH Length: 27.5'' String Pattern: 16x20 Taper System: 29mm Dual Taper Beam Additional Details Prestrung racquet Cover not included