Originally Posted by Billy22Bob

Thanks L

Yes - that's one I was looking at. Just gotta make sure it can fit over the 120mm magnetic.

PS - 0.9mm is too large...? what is the consequence?
I'm still trying to understand the mechanics of this. I'm guessing the magnet pulls the backing plate hard up = engages. If the gap is too great - it wont make "good contact" or it may warp and fatigue over time....

Am I on the right track?