Zero Friction T System Composite 3-Prong Golf Tees (3-1/4 Inch, White with Black Stripe, Pack of 8) The ZFT System combines the technology of the 3-prong patented ZFTour with an innovative striping system. The stripes allow for individuals to place their golf tee at the same height every time, optimizing performance. Place one prong at the target for optimum performance. Place one prong at the target for optimum performance. Available in composite and bamboo finishes.