The revolutionary Pro-Core is a Micro Compression Damping Technology, designed to enhance a shafts “full potential”, whether fitted in new or old shafts, Pro-Core significantly & consistently improves performance for players across all clubs. Pro-Core fitted inside your golf shaft’s will generate improved shaft stability, your shots will feel more solid at impact, increasing repeatability & consistency in your shot profile. With Pro-Core you will be in control like never before, allowing you to take your game to the next level achieving goals in your game you just didn’t think possible! Pro-Core will improve all your clubs from putter to driver and everything in between! Truly a genuine “game changer”.