Product Overview: The Extreme Game Improvement Hot Launch E523 Driver is designed to be the easiest driver to hit in the market for slower to medium swing speeds. Every aspect of the E523 is focused on improving launch and accuracy. The 460cc Titanium driver is incredibly stable at impact thanks to its extreme Moment of Inertia (MOI) properties. The technology built into the E523 Driver is all about easy launch, consistent playability, and maximum forgiveness across the entire face. Features: Houdini Sole Technology High Moment of Inertia Ridgeback Technology Power Channel Diamond Face VFT Heel Weighted Slice-Fighting Offset Design