<b>Installion Guide and Tips</b> <br><br>All the hardware are included with the package already. But there are somethings you may need to pay attention to. <br><b>1.</b> You will need an electric drill, screwdriver and also a level ( I personally download one from mobile application) <br><b>2.</b> Drill hole for anchors and screws, which is easy <br><b>3.</b> The shorter nail is about 15mm long. The aluminum cleats are 3mm thick. So there are 12mm ( 0.47") of the nail will go into the frame or the thing you need to hang <br><b>4.</b> This example is best to direct downward pressure. If you want to hang or mount a small shelf. I strongly recommend a longer nail