Just bought these cabs and I must say, at first, I was overwhelmed with the directions and how to put them together.  Chinese translation to English is never easy and it seems very redundant at times.  For example, NO NUT is required for the main bolts as they are threaded in the receiving piece.  As a matter of fact, most of the screws are threaded also in the receiving piece.  Trial and error was how I got through it but it wasn't that bad.  

I also take issue with some of the other reviews about "cheap metal" and so on.  Anybody who knows anything about structure knows that the sum of all the parts constitute a firm and hardy cabinet.  Once this cab is altogether it is pretty indestructible and looks great in my garage.  I purchased two of them and they fit great under the Gladiator bench!