https://www.titleist.co.uk/teamtitleist/team-titleist/f/golf-clubs/59145/tsr3-hzrdus-standardizing-grip-size I got a TSR3 driver and love it, but the only thing that isn't perfect is the grip size of my HZRDUS Red CB stiff shaft. The butt diameter of the shaft is .615, slightly larger which with the standard grip that Titleist put on it means it feels justen-USTelligent Community 10