The Stanley STST1-80151 Essential Rolling Workshop is a mobile storage solution constructed from plastic for added durability. The three-tier workshop consists of a large bin which is ideal for storing multiple large power tools. There is an interchangeable middle tray module which can be added or removed depending on your storage needs. The 18’’ top toolbox is built with heavy duty metal latches for added durability. The foldable handle and large 7’’ wheels make this box easy to manoeuvre during transportation even on rougher terrains. This 3 Tier mobile workshop allows you to access items all in one unit which can be conveniently transported. Its the perfect storage solution for multiple items around the home and garage and jobsite. Comes with a large bin middle tray module toolbox and tote tray.