The ad seems to suggest it being used as a car lift substitute.One thing that came to mind was you going back and forth raising each side to the next lock height.I would think that would be a high risk move.Then it at full height and the type of base it has,might not be the best move.I have used these in the past,but not to lift a car off the ground one on each side.There is one other ad for just one of them and is priced at $175.Maybe not a bad pc of equipment to have around.