The Dunlop Biomimetic Ultimate racketball racket is a stiff & powerful choice with a great head. The 106in 2 (683.8cm 2) head packs a good punch & the racquet is head light so users can manoeuvre & swing it more quickly & hit with more power. Bio Fibre technology keeps the frame light but strong & helps to reduce shocks so you strike the ball more cleanly. The frame weighs 170g (5.9oz) & Aero Skin CX increases the racquet's aerodynamic properties so it cuts through the air faster. The Mo S2 Grommets deliver enhanced grommet durability & less friction so the string can flex & move more, enhancing the trampoline effect on ball contact for better spin & power potential. A protective full cover is included & the racket comes strung with a Dunlop synthetic string in a 14x 19 Powermax pattern.