Rewards Members Qualify for Free Ground Shipping on Orders $199+ Log In Or Sign Up
Best Sellers Now Up to 30% Off
Shop Now
Most Popular Clubs: Up to 30% Off Paradym
Shop Now
No More Guesswork In Gifting
Shop E-Gift Cards
Why Buy?
Original headcover will not be included; instead, a Callaway universal headcover will be provided.
12 Month Warranty
Free Headcover Included
90 Day Buy-Back Policy
Certificate of AuthenticityDescription
Project X Shaft Flex Guide: 5.0 = Light/Senior
| 5.5 = Regular | 6.0 = Stiff | 6.5 = Extra Stiff
Drivers
Features & Benefits
Great Big Bertha is a name that means performance – the kinds that wins major championships on the world's professional tours. Now the tour-proven Great Big Bertha II family is getting even bigger with the new Great Big Bertha II 415 Titanium Driver, the most forgiving Great Big Bertha Driver ever. For advanced titanium engineering that increases COR across a large portion of the face, Great Big Bertha II is second to none.