Callaway Mens Big Bertha Alpha 815 Golf Driver Low Spin, Plenty Of Forgiveness The Callaway Big Bertha Alpha 815 driver features a Gravity Core that allows golfers to fine-tune the driver with less spin or more spin, depending on whether the heavy end is placed upward or downward in the clubhead. With enough adjustability to satisfy any golfer who wants to control spin, trajectory, and shot shape, the Big Bertha Alpha 815 delivers less spin while still offering plenty of forgiveness. Callaway Mens Big Bertha Alpha 815 Drivers feature: Lofts: 9.0 • 10.5 • 12.0 Gravity Core allows golfers to move the center of gravity higher or lower to optimize launch, spin, and ball speed Rib Motion Technology uses ribs in the titanium clubhead to save weight while creating stability and strength Two OptiFit weights (7-gram and 1-gram) in the heel and toe can be used to create a fade or draw bias OptiFit hosel allows golfers to increase or decrease loft (up to +2° or down -1°) Light, forged composite crown with a thinner, livelier titanium face Shafts: Motore Speeder 565 Graphite • Motore Speeder 665 Graphite • Diamana S+60 Graphite Available in Regular • Senior • Stiff • X-Stiff Available in left- and right-hand Includes headcover
