A significant portion of avid golfers have fast ball speed, but few optimize their ball speed for maximum distance and accuracy. With its revolutionary design, the Speed LD/F Driver produces and inertia value of 5000, one of the highest available. This super-high MOI, combined with the Speed-Tuned clubhead, shaft and grip, promotes a high launch with a slight draw bias-giving you all the distance and accuracy you've dreamed about.