3. Install the center panel assemblies to the side panels using the remaining eight M5x16
screws. It is very important to avoid overtightening these screws. Tighten these
screws using the provided 3 mm hex key. Hold the short end of the 3 mm hex key
while you are tightening the M5x16 screws. Do not tighten beyond the tightness you
can achieve holding the short end of the 3 mm hex key.
Now the BlueROV2 should look like the picture below: