Wilson Hyper Hammer 5.3 110 (Strung) - Black White OliveWilson Hyper Hammer 5. 3 110 (Strung) Black White Olive If you want controlled power, the Hyper Hammer 5. 3 O S will give you just that. The 110 sq. inch head size allows for a bigger sweet spot and the 16 x 20 string pattern will help to control the power this frame brings. Its head heavy balance will help players with moderate swings to follow through, but some players with full swings may find that the 5. 3 O S is too powerful. However, this frame