The Head Graphene 360 Extreme 165 is a high-performance racketball racket featuring a 106in 2 (685cm 2) head & an even balance delivering a good combination of power & control. For a more efficient energy transfer from the racket to the ball & a stable response, the Extreme 165 uses Graphene 360 technology, whereas Adaptive String Pattern technology lets you choose between 12 x 16 & 16 x 16 string pattern. The racket is pre-strung with Mega Blast 16 string for added power, durability & less string movement. Plus, there is Comfor Tech technology ensuring enhanced comfort & easy playability. A full-length cover is included to protect the racket between uses.