Yes they do open from both sides. I tried attaching the magnet in the middle where the two frames meet but it seems like it’s just slightly too big. The dimension of the magnet is just under 0.5" but it seems like I need one that’s 5/16"-6/16" at most (0.3125-0.375"). Would the 2GIG Thin Door/Window contact work? The magnet dimension is 0.312".
