This COG will fit a .335" shaft that's used on the following clubs:
- 2014 X2 Hot Drivers
- 2014 Big Bertha Drivers
- 2014 Big Bertha Alpha Driver
- 2015 Big Bertha V Series Driver
- 2015 XR Drivers
- 2015 Big Bertha Alpha 815 Driver
- 2015 Big Bertha Alpha Double Black Diamond Driver