The W Silver Product’s� (WSP) F71002 Steel Bed Support is the perfect new or replacement rail systems and fit 2 different bed sizes;� King and queen size beds that have wood side rails that hook into a wooden headboard and hook in foot board. The F71002 metal bed frame includes 2 heavy duty steel side rails, two hardened steel cross support bar, one beam running the bed’s length. Lastly it includes 6 long lasting legs that can easily support the weight of a�mattress set, the bed, and the entire�family when the little ones come looking for some�support from mom and dad when a storm pops up. Legs adjust to fit more beds.