Callaway Golf 2017 Great Big Bertha Men's Epic Sub Zero Driver, Right Hand, Fujikura Pro Green, 60G, 45.5" Length, Stiff, 9 Degrees Navy|Red 2011) and Adelphi University Study

2011) and Adelphi University Study (Stair Climber

The core of the paddle is an Aluminum Honeycomb Core which is light

flight length

0 is designed to swap out lenses

Callaway Golf 2017 Great Big Bertha Men's Epic Sub Zero Driver, Right Hand, Fujikura Pro Green, 60G, 45.5" Length, Stiff, 9 Degrees Navy|Red 2011) and Adelphi University StudyBrand: Callaway Features: Innovative new technology changes how the head and face behave at impact to promote more speed across a larger area of the face for increased average distance Innovative combination of Titanium exo cage and triaxle carbon crown (lightest EVER in a Callaway driver) and sole create unprecedented forgiveness in a high launch, low spin design Two interchangeable weights in the head (2g and 12g) to adjust spin rate and launch