needed another jack, something that works quickly and can transport from one end of shop to other more easily than regular floor jack. this unit accomplishes that goal, it is a bit heavy . issues from initial uses , would be nice if it had rollers to get into position- because it is heavy, it is too tall when fully collapsed to fit under a lot of cars. positives: it is fast, great for lifting to say remove a tire or get under something when you do not need a lot of height.... buy again? i would look at shorter collapsed height and want rollers for positioning then flat, off the rollers when jacking