I have been painting for 45 years and am always looking for ways to make my production rate faster. When I first saw an ad for them I was sold. I purchased my first set about 5 years ago and have added more racks since than. I used to have to paint one side at a time and try and find space for them, usually by leaning cabinet doors on a wall. This is such a simple and easy product to use, my production rate is cut in half, the quality of spray surfaces is higher because of doors lying flat. Recently I purchased the swivel spray rack. It simplifies the whole spray process even more. Now I don’t have to walk around a stationary door to paint, usually, your tripping over the hose and you need to cover more space for overspray. Now I stay in one place and rotate the door as needed. With a bright light on the surface, I can achieve the highest quality spray jobs. Videos are very helpful and customer service is 5 star. If you spray cabinets or doors this is a must-have.