Callaway Big Bertha Alpha 815 Driver

Features and Benefits of the Callaway Big Bertha Alpha 815 driver:

Maximum Distance From Lower Spin: A forged composite crown to save weight and Callaway's patented Gravity Core for an adjustable CG result in lowered spin in the Alpha 815 to help you maximize distance.
Speed and Forgiveness From A Lighter, Stable Face: R-MOTO Technology provides the structure to save weight for an ultra thin face that maintains stability while elevating distance.
Maximum Adjustability: 7 gram and 1 gram weight ports allow you to set the driver to neutral, draw or fade bias. And Callaway's OptiFit hosel provides 8 different loft (-1, S, +1, +2) and lie angle (Draw or Neutral) configurations.