The Callaway Tour Authentic Opti-Force Shaft Adaptor is primarily used by PGA Tour Professionals to more finely tune the loft/face angle settings of their Callaway Opti-Force drivers. The Tour Authentic Adaptor allows for an additional 3 sub settings within the standard open, closed and square settings for a total of 9 independent settings.

This is the factory adaptor for the optiforce, x2hot, bertha and bertha alpha heads.

Genuine Callaway, not aftermarket, only available in rh and fits a .335" tip shaft