The Callaway X Hot 19 Fairway Woods feature Variable Face Thickness (VFT) technology, which generates massive ball speed and explosive distance across the entire face. Callaway has positioned the center of gravity lower and deeper, resulting in an easier launching club with a higher ball flight. The X Hot 19 Fairway Woods are easy to get up in the air from even the toughest lies. Features: VFT technology for extreme ball speed and distance Precise center of gravity for high, forgiving launch conditions Head Cover Included