Callaway RAZR Fit Fairway Wood OptiFit Technology, OptiFit Hosel allows golfers to set the face angle in either Open, Square or Closed positions to optimize ball flight Aggressive VFT Technology, Precision shaping of the face thickness in each club increases the size of the sweet spot, Generates higher ball speeds for longer distanc Stainless Steel Construction Traditional shape with a full length hosel appeals to a wide range of players, Heat treated for enhanced strength, enabling the aggressive VFT pattern, Produces a resonant sound at impact This product comes with a headcover with an interchangeable tab to indicate the respective club number (3, 4, 5, 7, 9 or X)