Too often we find that our arms and legs aren't adequate for reaching something. It's those times we need an aide to help us obtain that object on the top shelf. We often reach for a close by chair to stand on, and find it a bit unsteady. It's best to use metal step stools that are equipped for such things. You can find different selections online, to invest in. The quality of the products, according to the price's are something you need to shop for first.