Callaway Big Bertha Fusion FT-5 Driver. New for 2007. As used by Phil Mickelson and numerous other Callaway staff players. The new Callaway FT-5 driver has maximised Fusion Technology in a traditional shape .Titanium and carbon composite combine to save a massive 50 grams of discretionary weight to correct or enhance your shape of golf shot. The larger, high velocity face and OptiFit choices of Draw, Neutral or Fade on the Callaway Big Bertha Fusion FT-5 Driver enable golfers to choose a powerful combination of accuracy and distance to get the best out of their individual game. The 25-gram weight located at the rear of the driver lowers the centre of gravity for optimal trajectory while Fusion technology provides exceptional stability on off-centre hits. The Carbon Composite Body is lighter than titanium and improves stability and distance while a modified version of proprietary VFT Technology in which face thicknesses are designed specifically to maximise performance under the new USGA characteristic time test, results in increased ball speed across all points of the face. The 460cc head has been manufactured with a longer, wider and hotter face for more confidence at address, a higher MOI and increased ball speed for longer, straighter drives. The Callaway Big Bertha Fusion FT-5 Driver is engineered to be the world's fastest driver.