Callaway Big Bertha C4 11.0° Driver Ladies Flex Graphite Ladies Right

Condition Rating:  7

What does this mean?

The Big Bertha C4 Driver is the friendliest high velocity driver ever. The driver incorporates new materials and processes to help golfers generate more clubhead speed with unparalleled forgiveness. The Big Bertha C4 uses patented Compress

ion Cured Carbon Composite (C4) technology to deliver new levels of performance.
Callaway Big Bertha C4. The revolutionary Callaway Big Bertha C4 Driver was designed to allow high handicap golfers to generate fast clubhead speeds while also being very easy to use.
 
Callaway achieved the goal by employing materials hitherto unseen in golf club design - the Big Bertha C4 uses patented Compression Cured Carbon Composite (C4) technology.