【Material Quality】These heavy-duty frame brackets are made of high-quality iron. They are safe, reliable, and resistant to deformation, cracking, or breakage. The recessed mounting brackets are reusable, allowing you to easily change your design and create a new look for your wall art at any time. 【Hidden Design】The screw holes on the hanging rail have a recessed effect. The Z-shape makes this hidden bracket the easiest to install, allowing your picture frame to fit perfectly against the wall without leaving unnecessary gaps. 【Easy to Use】On the wall, you only need a drill and screwdriver. Attach the two shackles to the wall and the object in opposite directions (top and bottom) and then connect them together. 【Wide Range of Applications】The Z-shaped mounting bracket is not only suitable for mounting mirrors, photos, and whiteboards, but also for other artworks on wall clocks, shelves, cabinets, whiteboards, garage tools, etc. It can also be used as a loop to hang headboards, connect sectional sofas, and other furniture. 【Package Contents】The heavy-duty mirror mounting kit includes 2 heavy-duty frame hooks, 6 self-tapping screws, 6 self-drilling screws, and 6 expansion anchors. This combination is sufficient to meet your needs. You do not need to purchase any other accessories.