Wilson introduces new FX Quad Shaft technology in several frames for 2009, which hollows out the throat of the frame for added stability and lighter weight. New ‘tweener frames with Quad Shaft include the Kobra Team FX, K Pro Team FX, K Tour Team FX and K Zen Team FX. Game improvement offerings include K One FX and K Four FX. New players frames for 2009 are highlighted by the introduction of the K Pro Staff 88 Sampras – modeled after the legendary Wilson Original Pro Staff, and the Kobra Tour.
