The Little Giant Safety Step is a unique combination of strength and simplicity. The Safety Step is constructed with super strong, lightweight aerospace grade aluminum. Its wide, slip resistant steps give you unmatched comfort and stability. The Safety Step operates so easily that you can open and close it with one hand. Its slim storage 5-1/2 in D will let you store it just about anywhere. It's also made for professional and industrial use. In fact, the Safety Step is rated to hold upto 300 lb on each step. This tough, compact step stool can handle just about any task, from the lightest house chore to the heaviest industrial job.