The Inst-a-matic® Bed Frame – an extra heavy-duty bed frame strong enough to support all bedding. Made of heavy-duty high carbon, recycled railroad rails with a water-based, lead-free finish. Unique wedge lock leg design becomes even stronger with use. Oversized side rails provide additional support. Solid rivet construction increases durability. Rounded corners provide safety and recessed legs to offer additional toe room. Heavy-duty brackets. Easy to assemble, no tools required.