Thx for the reply. I had, still have, my doubts regarding the S25. I mean, and I am more than likely all wrong about this but..., If I calculate my total downward force on a 30m dive I get - Reg:2Ibs + SS Plate & STA 9Ibs + Weights 7Ibs + Harnes & D-rings etc:2Ibs + Other variable:1Ibs +...