Quickly and easily construct the framework needed for a sturdy raised floor in your Arrow 5 ft. x 4 ft. or 6 ft. x 5 ft. storage shed with this handy kit. The hot-dipped galvanized steel crossbeams allow you to install separately-sold plywood more than 2 in. above ground, which is critical if your shed is situated on gravel, grass, clay or dirt. This floor frame kit is intended for assembly and installation after your storage building is erected. Color: Grays.