Had some assembly issues. 1) there was an excessive amount of powder coating on the corner brackets that need to be removed to get a proper fit; easy fix 2) side-by-side shelves are screwed in place using pre-drilled and tapped holes; however the 1/4” gap was too much to close without over-bending the sheet metal; left as is 3) I placed four shelves side-by-side. I made the mistake of setting all brackets based on 48” centers before fitting the shelves. If I had only placed two side-by-side or as I hade placing four and added an additional 1/4” for each bracket there would have been no issue.