Norm at Skyline:
In my experience a 2"x2"x1/4" SS or MS post will deflect up to 1/2" on a 42" high rail system at 200 lbs cable tension at 3" centers. I have never seen a small steel or aluminum post that can meet those forces and not deflect to an unacceptable level.Perhaps a 3x3 or 4x4 will...
