HEAD SCREW WEIGHT FITS CALLAWAY (12.7mm)

Fits Big Bertha 815 Driver (2014) XR Pro Driver (2015) Great Big Bertha Driver (2015) Callaway Big Bertha Alpha 816 Double Black Diamond Driver (2016) XR 16 Sub Zero Driver (2016) GBB Epic Sup Zero Driver (2017) Rogue Driver (2018).

Available in 3g, 5g, 7g, 9g, 11g, 13g, 15g, 17g