4 Yards More Golf Tee - 4 inch 'The Extreme Tee'. 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 4" size provides the longest height allowed by the USGA to achieve the right launch angle on large head drivers. 4 per blister pack.