Seamless mounting: the two wall-mounting Z-clips fit together perfectly to form a solid and sleek support. Since the photo hook is only 2mm thick per piece, there is only a very small gap against the wall.Superior Security: Recessed mounting brackets with Z-clips provide ultimate security to prevent mounted objects from falling. Premium cold-rolled steel with maximum corrosion resistance makes the wall mount durable for extended use. Easy Installation: Sleek design with countersunk and symmetrical screw holes allows for quick and easy installation. Just fix one clip on the wall using long screws with the reinforcement up, then fix another clip on the furniture using short screws with the reinforcement down, finally snap them together .Wide Applications: The interlocking hooks are perfect for securing photo frames, artworks, display paintings, posters, headboards, clocks, mirrors and more, bringing elegance to your home and office. Convenient and reusable: The sturdy flush mounting brackets can be used individually for small pendant lights. For large wall hangings, multiple hangers are recommended. When you need to remove the wall objects for cleaning or other reasons, just lift it up from the brackets. Note: The data are all manual measurement, please allow error of 1 - 3cm, due to the light and display difference, there will be some color difference, depending on the physical object received.