The Strongest Bed Frame. Super Heavy duty steel bed frames engineered to support today’s thicker, heavier mattresses. Sturdy Construction that can accommodate larger people. Consists of oversize Heavy Duty side rails that are one piece and will never separate. Protective End Caps for added safety. Encompasses Interlock design for safety and stability. Legs will never lean sag or bend and are recessed for safety. Four Wide rug rollers provide easy mobility. Extra Wide Headboard brackets will accommodate virtually any headboard configuration. Features a one-year manufacturers warranty against defects and workmanship. Easy to assemble in under ten minutes and no additional tools are required. Easy Interlocking Assembly No Bolts or Tools.