I have a large metal surface in the apartment where I tacking my favorite photos. For this purpose I was looking for good adhesion, but also small magnets. In addition to look forward as possible noble. All claims comply in these small magnets. They look anything but cheap and are also very discreet because of their size. On Scharz white photos they fall, for example, hardly. Their magnetic effect is on the small size - in my opinion - relatively strong. Thus, it is sometimes a little difficult runterzubekommen the magnets back on the surface. But a little practice makes perfect. And that means for me also no penalty, because they should hold all right.
From my perspective, and for this purpose an absolute buy recommendation!