Callaway Big Bertha ERC II 10° Driver Regular Flex Graphite Men's Left

Condition Rating: 7

What does this mean? 

The ERC II Driver has created a world wide stir with it's hot "ultra-thin" Forged Titanium face (which has been deemed illegal for tournament play by the USGA.). From Callaway Golf: "A revolutionary breakthrough in golf club technology," the ERCII features, "a large, ultra-thin forged titanium face with 'Variable Face Thickness' (VFT) Technology, and delivers greater ball speed, forgiveness."