4 Yards More Golf Tee - 3 1/4 inch Driver Tees. The four yards more golf tee is the first and only tee proven in both Robotic and Field tests to improve distance. Flexible, six-prong tip reduces resistance and allows better contact. Durable, lasts for over 100 drives. Conforms to USGA and R&A specifications. This 3 1/4" size provides the height to achieve the right launch angle on large head drivers. 4 per blister pack.