MALOUF ST5033BF1 Structures Heavy Duty Adjustable Metal Center Support and Rug Rollers Bed Frame, Queen, Full, XL, Twin, Black Easily adjusts to fit Queen, Full, and Twin mattresses, easy assembly in under 10 minutes, no additional tools required Four 2.5-inch extra-wide rollers and center support glide help you move the frame easily; two rollers lock for added stability 1.5-inch center support bar adds extra strength to this heavy duty frame, patented TRI-SUPPORT braces reinforce rails for extra durability Universal headboard brackets fit most headboards for a customized look that is safe and secure Gunmetal black matte powder coating keeps this frame looking great for years