Less Resistance = More Distance The Zero Friction Lock N Drive™ Golf Tee was created for the golfer who wants a consistent tee height no matter what club you’re using. The settings along the shaft allow for the stopper to be adjusted to their perfect consistent height! As a bonus, the stopper acts as a ball marker when slipped off! The Lock n Drive™ is complete with Zero Friction’s patented 3-prong design, delivering performance and consistency in height, accuracy and distance at impact – every time. An environmentally friendly golf product made with bio-composite materials.