I had a quick lift I. My shop before that I had to put together and take apart and at almost 66 years old I was struggling to do it by myself. It would give me 20 inches of clearance under the tires. This setup got me around 14 inches so I called him and talked to him. He said he could show me how to get 17 inches so I bought them and sold my Kwk-lift. Man I really like these.