Adjustable creeper height to fit your desired placement for your vehiclePadded deck allows for added comfort while working on your truck or carTopside Creeper easily folds away for a compact configuration when not in useFour swivel casters make moving the Topside Creeper into position smooth and easyTwo locking casters to lock in your position prior to climb up and using the Topside Creeper; locking weight capacity: 400 pounds