From the picture, looks like a 5th wheel? I am on my 5th year in a RV. Finally took out a couch this summer, moved the other one to the other side of room and I finally have a sewing table that folds down quite small. No more 6 ft. table in the middle of the floor. Sure do miss my sewing room I gave up - miss my house too!! Hopefully someday he will get tired of this way of life!!