The wilson triad five is an arm friendly performance tennis racket featuring revolutionary triad technology to minimize unwanted vibrations and provides intermediate level players with a combination of power and comfort it ensures a forgiving feel has a mid plus 103in2 664cm2 head and offers a bigger sweet spot thanks to double hole technology this head heavy balanced choice guarantees a solid feel on shots due to an open 16x20 string pattern and for reduced weight and even more power ther