My choice for handles.
Nice and stout.

I used simple catches. I couldn't find galvanized to match the other hardware, but a wire brush wheel took off the brass finish.

T-Hinge, bent.

Back side of hinge showing
new bevel on screw holes.

Two bars are held against manuals by springs .
Sheet metal screws with the threads ground off to 3/4" from head. Threads on end are screwed into wood.