works great sewer hose support the idea is ok but you need something extra along with it works the way it is suppose to doing their job ok to use on flat surface but i wouldnt trust dont use on steep concrete may slip a good thing to have great item for price work well on normal size cars theyre a little great product at a great price your hose lays great in this support but great product great for short or long distances to the sewer hookup good idea comes apart at the hinges unless very carefully handled camco 434051 rv 20