ACCELERATED SHOT AND CONTROL WITH AN INSTANT BITE. The Yonex Exbolt 68 white string stands out with its impressive repulsion. Very powerful, this string also focuses on optimal shuttlecock control to support your progress and/or your search for maximum performance. With its 0.68 mm gauge, this Yonex string ensures a longer than normal lifespan thanks to the "Forged Fiber" process and its molecular bonds offering 1.5 times more resistance than nylon. The sound generated by your shots will give you unprecedented feedback while accelerating the shuttlecock and the game as you wish.