You definitely need the right tools and you should install it on a concrete wall. It is extremely sturdy lots of room to store items. Easy to install with the right tools.
Although they were slightly more expensive than other sinilar shelving systems I feel like you get what you pay for. Super easy to put up. I put them in an L shape in a corner and that worked out great.
I was looking for a heavy duty shelving system for my garage and these are exactly what I was hoping for. The quality is there and they are aesthetically pleasing.