There are six carriage bolts that need to be positioned through the bottom of
the base prior to assembling the tower. To do so, simply turn the base on its
side and slide the carriage bolts through the square holes and thread a hex
nut 1/4 of the way down to prevent the bolt from falling through as you tip the
base back to the ground. Once you have positioned the base right side up on
flat and level ground, you can remove the hex nuts from the carriage bolts.