The first pic shows the rack itself: a 5' durable aluminum carrier for carrying a scooter on back of motorhome. The main vertical piece is the rack itself, fully adjustable to any size scooter. About mid-height is a horizontal piece whose right end fits into the motorhome's trailer hitch.
The second pic includes the 5' long durable ramp used too drive (walk) the scooter onto the ramp.