This amazing SuperStroke Legacy Slim 3.0 Putter Grip is used by many of the top professionals, including Jason Dufner. The grip has been used in 5 worldwide successes in the past year along, making it one of the most popular grips around. SuperStroke's fantastic Parallel Technology has also been added, which allows for even pressure in both hands, thus eliminating tension in the wrist and forearms for a freer swing that promotes a perfect pendulum putting stroke.