Already a long hitter? Take it to the next level with this complete set of Long Drive Trainers from Unlocked Golf. Whether you are training to compete in long drive contests or simply want to take some strokes out of your game, the 48" shaft and interchangeable color-coded weights will help you out. The gold weight makes the trainer 380g, which is 20% heavier than a standard driver, while the silver weight 260g, 20% lighter than the standard. Complete with a convenient carry case, you can start training to surpass a 120mph swing speed.