I have a 6x12 inner box size trailer. Interstate west. It has hardware already installed in the floor for type downs, side door, roof vent, interior light, large rear 'box controlled' mini flood lights, 1/3 of the front and all of the lower portion is diamond plate, dual rear door (at times more convenient than the ramp door), complete undercoating. My wife paid $2550 (this does not include tax or spare tire) in December, for MY x-mas present:) What a gal!;)