W Silver F71001� Steel Bed Support system allows you to replace most old broken wood or metal Twin or Full size rail systems for your wooden headboard and wood foot board with hook in type attachments. The F70001 steel bed frame includes 2 heavy duty steel side rails, two hardened steel cross support bars, and 4 legs with adjustable feet that can certainly support the weight of a�mattress set, the bed, and even a young active children or full grown adult. Legs adjust from 8″ – 11′ Frame will Adjust from Twin to Full.