https://www.titleist.com/teamtitleist/team-titleist/f/golf-clubs/19323/712-cb-shaft-change-help Hey there, I have a 4-pw set of 712 CB irons that were built with KBS tour S. I am installing DG X100 tour issue shafts. I know these are 10g heavier, so my question is; do I use the shaft inserts from the KBS shafts or do I install these without anyen-USTelligent Community 10