From left to right: bending-shaped handle latch (door latch), open and close door easy, top socket, make sure steady when a wire container put on it, baseplate, ensures the stability when stacked, spring hinge, connect the wire mesh, easy fold.
Main advantages
Wire mesh container cage on heavy duty warehouse shelving is widely used with pallet rack.
Here is Standard size(L*W*H)MM :
800*600*640
1000*800*840
1200*1000*890