Structures DuoSupport Bed Frame, Full-King Featuring heavy-duty steel construction, the Structures™ DuoSupport Bed Frame offers a strong foundation for any mattress type. The adjustable frame includes a double center support for added comfort and stability, and a modern design makes this frame a great addition to any bedroom. Additionally, the recessed legs give you 4.75 inches of clearance, so you don’t hit your toes on the corner of the bed. Frame width adjusts to fit Full, Queen, and King bed sizes, and the pre-installed headboard brackets are compatible with most headboards. L : 74 - W : 8.3 - H : 8.3 - W : 41